ERP glossary
From ERPEDIA, the independent ERP knowledge base
This comprehensive glossary contains ERP terms, acronyms, and definitions. Use the A‑Z navigation to find terms quickly. Many terms link to detailed articles in ERPEDIA for deeper understanding.
terms • Last updated: March 2026
A
ABC Analysis
Inventory categorization method where items are classified by value/importance: A (high value, low volume), B (moderate), C (low value, high volume). Used to focus control efforts. See inventory management.
ABAP (Advanced Business Application Programming)
High-level programming language created by SAP for developing applications in the SAP environment. Used for customizations and reports.
Accounts Payable (AP)
Module that manages money owed to suppliers/vendors. Includes invoice processing, approval workflows, and payment scheduling. See finance module.
Accounts Receivable (AR)
Module that tracks customer invoices, payments, and collections. Integrates with CRM and order management. See finance module.
ADKAR Model
Change management framework: Awareness, Desire, Knowledge, Ability, Reinforcement. Used in ERP implementations to manage user adoption. See change management.
Agile Methodology
Iterative approach to ERP implementation with short sprints, frequent feedback, and adaptive planning. Contrast with waterfall. See implementation methodology.
AIA (American Institute of Architects) Billing
Standardized progress billing forms (G702/G703) used in construction industry. ERP supports AIA format billing. See construction ERP.
API (Application Programming Interface)
Set of rules that allows one software application to interact with another. In ERP, APIs enable integration with CRM, e‑commerce, etc. See APIs in ERP.
Application Layer
Middle tier in three‑tier architecture that contains business logic, workflows, and validations. See ERP architecture.
ASAP (Accelerated SAP)
SAP's implementation methodology (now SAP Activate). Phases: Project Preparation, Business Blueprint, Realization, Final Preparation, Go Live. See methodology.
ASC 842
US accounting standard for leases, requiring lessees to recognize assets and liabilities for most leases. ERP must support lease accounting. See compliance.
Asset Management
Module that tracks tangible long‑term assets (buildings, machinery, vehicles) from acquisition to disposal. Handles depreciation, revaluation. See asset management.
ATP (Available‑to‑Promise)
Real‑time check of inventory against existing orders to confirm delivery dates. Can consider planned production and purchases. See sales & distribution.
Audit Trail
Chronological record of system activities – who did what, when, and from where. Critical for compliance (SOX, GDPR). See internal controls.
Availability Check
B
Backflush
Automatic deduction of materials from inventory based on production output. Common in repetitive manufacturing. See manufacturing ERP.
Backup
Copy of data to protect against loss. Types: full, incremental, differential. See backup & DR.
Batch Tracking
Ability to track products by batch/lot number – essential for pharma, food, and recalls. See inventory module.
BI (Business Intelligence)
Tools and processes for analyzing business data, creating dashboards, and supporting decisions. See BI & reporting.
Big Bang
Go‑live approach where entire ERP system is switched at once. High risk, fast. See go‑live strategy.
Bill of Materials (BOM)
Complete list of raw materials, sub‑assemblies, and quantities needed to produce a finished product. Can be multi‑level. See manufacturing module.
Billing
Process of generating invoices for customers. In ERP, often automated from sales orders. See sales & distribution.
Blanket Purchase Order
Long‑term agreement with a supplier for repeated purchases, releasing individual orders against it. See procurement.
BOM (Bill of Materials)
See Bill of Materials.
BOPIS (Buy Online, Pick Up In Store)
Omnichannel retail service where customers order online and pick up at store. Requires real‑time inventory. See retail ERP.
BPMN (Business Process Model and Notation)
Standardized graphical notation for depicting business process flows. Used in ERP process mapping. See process mapping.
BRD (Business Requirements Document)
Document capturing business needs, processes, and goals. Precursor to SRS. See SRS vs BRD.
Business Blueprint
Phase in ASAP methodology where detailed requirements and process design are documented.
C
CAM (Common Area Maintenance) Charges
Costs for maintaining shared spaces in commercial real estate – passed from landlords to tenants. ERP automates CAM calculation. See real estate ERP.
Capacity Planning
Process of ensuring work centres have enough capacity for planned production. Finite scheduling, overload alerts. See manufacturing.
CAPEX (Capital Expenditure)
Upfront investment in long‑term assets like ERP licenses and hardware. Capitalised on balance sheet. See CAPEX vs OPEX.
Change Management
Structured approach to transitioning people to new processes and systems. Critical for ERP success. See change management.
Chart of Accounts (COA)
Structured list of all accounts used in the general ledger. Organised by categories (assets, liabilities, equity, revenue, expenses).
Cloud ERP
ERP system hosted by the vendor and accessed via browser. Subscription model, automatic updates. See cloud vs on‑premise.
Concurrent User
License that allows a set number of users to access the system simultaneously. Good for shift workers. See licensing models.
Consignment Stock
Goods held at customer location but still owned by supplier until used/sold. ERP tracks consignment inventory.
Consolidation
Process of combining financials of multiple legal entities into a single set of statements. Includes intercompany eliminations. See finance.
Construction ERP
ERP system specialized for construction: job costing, contract management, progress billing, equipment tracking. See construction.
Contingency
Budget reserve (15‑25%) for unforeseen risks in ERP projects. See budget planning.
Continuous Improvement
Ongoing effort to improve ERP processes, user adoption, and system performance post‑implementation.
Contract Management
Module for managing customer/supplier contracts, terms, renewals, and compliance. See procurement.
Cost Code
Standardized code (e.g., CSI MasterFormat) used to categorize costs in construction projects for benchmarking. See construction.
Costing
Process of determining the cost of products or projects. Includes material, labor, overhead. See manufacturing costing.
CRM (Customer Relationship Management)
System for managing customer interactions, sales pipelines, and support. Often integrated with ERP. See CRM integration.
Cross‑Module Integration
Seamless data flow between ERP modules (e.g., sales order updates inventory and finance). Core ERP benefit.
Cutover
Detailed sequence of tasks to switch from legacy to new ERP system. See go‑live strategy.
Cycle Counting
Continuous inventory audit where specific items are counted on a rotating basis. More efficient than annual shutdown. See inventory.
Cybersecurity
Protection of ERP systems from unauthorized access, data breaches, and other threats. See cybersecurity.
D
Dashboard
Visual display of key performance indicators (KPIs) and metrics. Role‑based in ERP (CFO, sales manager, etc.). See BI & reporting.
Data Cleansing
Process of identifying and correcting errors, duplicates, and inconsistencies in data before migration. See data migration.
Data Governance
Framework of policies, processes, and roles ensuring data is managed effectively, securely, and compliantly. See data governance.
Data Migration
Moving data from legacy systems to new ERP. Includes extraction, transformation, cleansing, loading. See data migration strategy.
Database Layer
Bottom tier in three‑tier architecture – stores all ERP data. Usually relational (SQL Server, Oracle). See database structures.
Decision Log
Document tracking key project decisions with date, rationale, and impact. Used in governance. See governance.
Declining Balance Depreciation
Accelerated depreciation method where asset loses value faster in early years. See asset management.
Delivery Document
ERP document that guides picking, packing, and shipping of goods. Created from sales order. See sales & distribution.
Demand Forecasting
Predicting future customer demand using historical data and analytics. Feeds into MRP and planning.
Depreciation
Systematic allocation of an asset's cost over its useful life. Methods: straight‑line, declining balance, units of production. See asset management.
Digital Twin
Virtual representation of a physical process or product. In manufacturing, integrated with ERP for real‑time monitoring.
Disaster Recovery (DR)
Strategies and procedures to restore IT systems after a disaster. Includes RPO/RTO, hot/warm/cold sites. See backup & DR.
Discrete Manufacturing
Production of distinct items (e.g., cars, electronics) using BOMs and routings. Contrast with process manufacturing. See manufacturing.
Drop Shipping
Order fulfillment where supplier ships directly to customer. ERP manages order flow and invoicing.
DSO (Days Sales Outstanding)
Average number of days to collect payment after a sale. Key AR metric. See finance.
Dunning
Automated process of sending reminders to customers with overdue payments. See AR.
E
E‑Invoicing
Electronic exchange of invoice documents. In GCC, includes QR codes (UAE) and clearance (Saudi ZATCA). See e‑invoicing.
E‑procurement
Supplier‑facing portal for purchase orders, catalogs, and invoicing. Often part of ERP procurement module.
Education ERP
ERP for schools and universities: student records, admissions, attendance, grading, fees. See education ERP.
EMR (Electronic Medical Records)
Digital version of patient charts. Often integrated with healthcare ERP for billing and administration. See healthcare ERP.
End‑of‑Service Benefit
Gratuity payment to employees upon leaving – calculated based on tenure and last wage. ERP automates calculation. See HR & payroll.
Enterprise Service Bus (ESB)
Middleware architecture for routing, transforming, and orchestrating messages between applications. See middleware.
EPICOR
ERP vendor focused on manufacturing, distribution, and services industries.
ERP (Enterprise Resource Planning)
Integrated business management system that unifies finance, operations, supply chain, HR, and reporting. See what is ERP.
ERP Life Cycle
End‑to‑end journey of an ERP system: selection, implementation, maintenance, evolution, retirement. See ERP life cycle.
ERPNext
Open source ERP built on Frappe framework. Full‑featured, popular in SMBs. See open source.
Escalation
In workflows, when a task is not acted upon, it moves to next level (e.g., manager's manager). See workflow automation.
ESR (Economic Substance Regulation)
UAE regulation requiring certain entities to report economic activities. ERP must generate ESR reports. See regulatory integration.
ETL (Extract, Transform, Load)
Core process of data migration – extracting from source, transforming, loading into target. See data migration.
Executive Sponsor
Senior leader who champions ERP project, removes roadblocks, ensures alignment with strategy. See governance.
Expense Management
Module for employee expense reporting, approval, and reimbursement. Often integrated with projects.
Extended ERP (ERP II)
ERP expanded to include external systems like CRM, SCM, e‑commerce. Evolved in 2000s.
F
Failure Case Studies
Analysis of failed ERP implementations (Hershey's, Nike, Lidl) to learn from mistakes. See failure case studies.
FAT (Factory Acceptance Test)
Testing of software at vendor site before delivery to customer. Common in custom development.
FIFO (First In, First Out)
Inventory valuation method assuming oldest stock is used first. See inventory.
Finance Module
Core ERP module handling general ledger, AP, AR, fixed assets, cash, tax, consolidation. See finance & accounting.
Fixed Assets
Long‑term tangible assets (buildings, machinery) tracked in ERP. See asset management.
Fixed Price Project
Project billed at fixed amount, often with milestone payments. See professional services.
Forecast
Prediction of future demand or financial performance. Used in planning and budgeting.
Foreign Key
Database column that references a primary key in another table, creating relationships. See database structures.
Free Zone
Special economic zone in UAE with specific legal/tax rules. ERP must handle multi‑entity with different rules. See UAE challenges.
Freight Forwarding
Logistics service managing international shipments. ERP for freight forwarders handles consolidation, documentation, customs. See logistics ERP.
FTA (Federal Tax Authority)
UAE authority managing VAT. ERP must generate returns in FTA format. See VAT compliance.
Functional Consultant
ERP implementation specialist focusing on business processes and configuration, not technical coding.
Functional Requirements
What the system must do – specific behaviors and features. Documented in SRS. See SRS.
G
G702/G703
AIA progress billing forms used in construction. See construction ERP.
Gap Analysis
Process of identifying differences between business requirements and ERP functionality. See SRS.
GDPR (General Data Protection Regulation)
EU data privacy law. ERP must support consent management, right to be forgotten, data breach notification. See compliance.
General Ledger (GL)
Complete record of all financial transactions. Central to ERP finance module. See finance.
Go‑Live
Moment when new ERP system is made available for production use. See go‑live strategy.
Go‑No Go Criteria
Objective conditions that must be met before go‑live (UAT pass, critical defects fixed). See go‑live.
Goods Receipt (GRN)
Document recording receipt of goods from supplier. Triggers inventory update and AP invoice matching. See procurement.
GOSI
General Organization for Social Insurance in Saudi Arabia. ERP must support GOSI contribution reporting. See regulatory integration.
GST (Goods and Services Tax)
Consumption tax in some countries (not UAE – VAT). ERP handles tax calculation.
H
HANA (SAP HANA)
SAP's in‑memory database platform. Powers S/4HANA. Enables real‑time analytics. See SAP.
HCM (Human Capital Management)
HR module including recruitment, payroll, time tracking, talent management. See HR & payroll.
Healthcare ERP
ERP for hospitals and clinics: patient administration, EMR, billing, pharmacy inventory, compliance (HIPAA). See healthcare.
Hidden Costs
Unanticipated expenses in ERP projects: data migration, customizations, integration, training. See hidden costs.
Hijri Calendar
Islamic lunar calendar used in Saudi Arabia and for Islamic holidays. ERP must support Hijri dates. See Arabic language.
HIPAA (Health Insurance Portability and Accountability Act)
US healthcare privacy law. ERP for healthcare must enforce access controls, audit trails. See compliance.
Hot Site
Fully operational disaster recovery site that can take over in minutes. High cost. See DR.
HR Module
See HCM.
HS Code (Harmonized System Code)
Standardized code for classifying goods in international trade. Used for customs duties. See trading companies.
Hybrid Cloud
Mix of public and private cloud deployment. Some systems on‑premise, some in cloud. See cloud hosting.
Hypercare
Period immediately after go‑live (2‑4 weeks) with intensive support from project team. See go‑live.
I
IaaS (Infrastructure as a Service)
Cloud model providing virtualized computing resources. You manage OS, ERP; provider manages servers. See cloud hosting.
IFRS 15
Revenue recognition standard. ERP must recognize revenue when performance obligations are met. See compliance.
IFRS 16
Lease accounting standard – lessees must recognize assets and liabilities for most leases. ERP supports lease accounting. See compliance.
Implementation Methodology
Structured framework for ERP deployment (waterfall, agile, hybrid). See methodology.
In‑Memory Database
Database that stores data in main memory for faster access (e.g., SAP HANA). Enables real‑time analytics.
Industry 4.0
Fourth industrial revolution – integration of IoT, AI, and automation in manufacturing. ERP connects to smart factories.
Infor
ERP vendor with industry‑focused cloud solutions (manufacturing, healthcare, fashion).
Integration
Connecting ERP with other systems (CRM, e‑commerce, banks). See system integration.
Internal Controls
Policies and procedures ensuring data integrity, preventing fraud. Includes segregation of duties, access controls. See internal controls.
Inventory Turnover
How fast inventory sells – cost of goods sold / average inventory. Key metric. See inventory.
iPaaS (Integration Platform as a Service)
Cloud‑based middleware with pre‑built connectors (Boomi, MuleSoft). See middleware.
ISO 27001
International standard for information security management. ERP vendors often certified. See cybersecurity.
Issue Log
Document tracking project issues, owners, status. Part of project governance. See governance.
J
JCI (Joint Commission International)
Healthcare accreditation body. ERP must support quality measures and credential tracking. See healthcare.
JIT (Just‑in‑Time)
Lean manufacturing approach where materials arrive exactly when needed. ERP supports JIT with pull signals. See manufacturing.
Job Costing
Tracking costs by project, job, or cost code. Essential in construction and professional services. See construction.
Journal Entry
Record of a financial transaction in the general ledger. Double‑entry bookkeeping.
K
Kanban
Pull‑based inventory control system using cards or signals. ERP supports kanban for lean manufacturing.
Key Performance Indicator (KPI)
Measurable value showing how effectively company achieves objectives. ERP dashboards display KPIs. See BI.
Knowledge Base
Repository of articles, guides, and FAQs for user support. See post‑implementation support.
KHDA
Knowledge and Human Development Authority (Dubai). Schools must report to KHDA. See education ERP.
L
Landed Cost
Total cost of imported goods including purchase price, freight, insurance, duties. ERP calculates landed cost. See trading companies.
Lead Time
Time from order placement to receipt of goods. Used in MRP calculations.
Lean Manufacturing
Production philosophy focused on minimizing waste. ERP supports lean with kanban, JIT, and pull systems.
Lease Accounting
Accounting for leases under IFRS 16/ASC 842. ERP calculates right‑of‑use assets and liabilities. See real estate.
Letter of Credit (LC)
Bank document guaranteeing payment to supplier. ERP tracks LC details and shipments. See trading.
License (Software)
Right to use software. Types: perpetual, subscription, named user, concurrent. See licensing models.
Lien Waiver
Document waiving right to file a lien against property. Used in construction payments. See construction.
LIFO (Last In, First Out)
Inventory valuation method assuming newest stock is used first. Less common under IFRS.
Localization
Adapting ERP to meet local legal, regulatory, and cultural requirements (Arabic, VAT, etc.). See localization.
Lot Tracking
See Batch Tracking.
LMS (Learning Management System)
System for online courses. Often integrated with education ERP.
M
Mainland (UAE)
Companies licensed to trade directly in UAE market. Different rules from free zones. See UAE challenges.
Manufacturing ERP
ERP for production companies: BOM, MRP, shop floor control, quality, costing. See manufacturing.
Master Data
Core business data shared across modules: customers, vendors, products, chart of accounts. See data governance.
Master Data Management (MDM)
Processes and tools for ensuring master data consistency across systems. See data governance.
Material Requirements Planning (MRP)
System for calculating material needs based on demand, BOM, and inventory. See MRP.
MFA (Multi‑Factor Authentication)
Security requiring two or more verification methods. Essential for ERP access. See cybersecurity.
Microsoft Dynamics 365
Microsoft's ERP/CRM suite. Business Central for mid‑market, Finance/Supply Chain for enterprise. See Tier 2.
Middleware
Software that connects different applications – ESB, iPaaS, message queues. See middleware.
Milestone Billing
Invoicing based on project milestones (e.g., 30% at design completion). See construction.
Mobile ERP
Access to ERP functions via mobile apps. Common for approvals, time entry, sales.
MOHRE (Ministry of Human Resources and Emiratisation)
UAE ministry managing labour affairs. WPS files submitted to MOHRE. See regulatory integration.
Monolithic ERP
Single, tightly integrated ERP program (older systems). Contrast with modular. See architecture.
MRP II (Manufacturing Resource Planning)
Extension of MRP adding capacity planning, shop floor control, financial integration. Predecessor of ERP. See history.
Multi‑Currency
ERP feature supporting transactions in multiple currencies, with exchange rate handling and revaluation. See trading.
Multi‑Entity
Support for multiple legal entities (subsidiaries) within one ERP instance. Includes intercompany. See UAE challenges.
Multi‑Tenant
Cloud architecture where multiple customers share same software version and database. Common in SaaS. See cloud hosting.
N
Named User
License assigned to a specific individual. See licensing.
NetSuite
Oracle's cloud ERP, popular in services, retail, software. See Tier 2.
Non‑Functional Requirements
System qualities: performance, security, scalability, usability. Documented in SRS. See SRS.
Normalization
Database design process to reduce redundancy and ensure integrity. 1NF, 2NF, 3NF. See database.
NPV (Net Present Value)
Sum of future cash flows discounted to today. Used in ERP investment analysis. See ROI.
O
Odoo
Popular open source ERP. Modular, with Community (free) and Enterprise editions. See open source.
OEE (Overall Equipment Effectiveness)
Manufacturing KPI measuring equipment productivity: availability × performance × quality.
Omnichannel
Seamless customer experience across physical stores, e‑commerce, mobile. ERP enables real‑time inventory. See retail.
On‑Premise
ERP installed on company's own servers, managed by internal IT. See cloud vs on‑premise.
Open Source ERP
ERP with source code freely available (Odoo, ERPNext). No license fees, but implementation costs. See open source.
OPEX (Operational Expenditure)
Ongoing costs like subscription fees, support. Expensed in period incurred. See CAPEX vs OPEX.
Opportunity‑to‑Order
Sales process from lead to order. ERP integrates with CRM.
Oracle Cloud ERP
Oracle's Tier 1 cloud ERP. Strong in finance, public sector. See Tier 1.
Order‑to‑Cash (OTC)
Process from receiving customer order to collecting payment. See sales & distribution.
Overhead
Indirect costs allocated to products or projects (rent, utilities, management). See costing.
P
P2P (Procure‑to‑Pay)
Process from identifying need to paying supplier. See procurement.
PaaS (Platform as a Service)
Cloud model providing platform for developing and running applications. See cloud hosting.
Parallel Run
Go‑live approach where old and new systems run simultaneously. Low risk, high effort. See go‑live.
Payback Period
Time to recover initial ERP investment. See ROI.
Payroll
Process of calculating and paying employee salaries. Integrated with HR, time tracking. See HR & payroll.
Pegging
In MRP, linking dependent requirements to their sources (e.g., sales order to production order).
Percentage of Completion (POC)
Revenue recognition method based on project progress. See construction.
Perpetual License
One‑time fee to own software forever, plus annual maintenance. See licensing.
Phase Gate Review
Formal checkpoint at end of project phase. See governance.
Phased Implementation
Go‑live approach rolling out ERP by module or location. Lower risk. See go‑live.
Point‑of‑Sale (POS)
System for processing sales at checkout. Integrates with ERP for real‑time inventory. See retail.
Post‑Implementation Support
Ongoing support after go‑live: help desk, maintenance, enhancements. See support.
Presentation Layer
Top tier in three‑tier architecture – user interface. See architecture.
Primary Key
Unique identifier for each row in a database table. See database.
Private Cloud
Cloud infrastructure dedicated to a single organization. More control, higher cost. See cloud hosting.
Process Manufacturing
Production using formulas/recipes (food, chemicals, pharma). Requires batch tracking, potency. See manufacturing.
Procurement Module
ERP module for purchasing: requisitions, POs, vendor management. See procurement.
Production Order
Authorization to manufacture a specific quantity. Tracks materials, labor, machine time. See manufacturing.
Professional Services Automation (PSA)
ERP for project‑based businesses: resource management, time tracking, project billing. See PSA.
Progress Billing
Invoicing based on project progress (percentage complete, milestones). See construction.
Project Governance
Framework of roles, processes, and decision‑rights guiding ERP implementation. See governance.
Project Management Module
ERP module for planning, budgeting, tracking, and billing projects. See project module.
Public Cloud
Cloud infrastructure shared by multiple customers. Lower cost, less control. See cloud hosting.
Purchase Order (PO)
Commercial document issued by buyer to supplier, authorizing a purchase. See procurement.
Purchase Requisition
Internal request to purchase goods/services. May require approval before becoming PO. See procurement.
Q
QAD
ERP vendor focused on manufacturing, automotive, food & beverage.
Qlik
BI tool often used with ERP for analytics and dashboards.
QR Code (on invoices)
Two‑dimensional barcode on UAE tax invoices containing seller, VAT, date, total, VAT. See e‑invoicing.
Quality Management Module
ERP module for inspections, non‑conformance, corrective actions. See manufacturing.
Quote‑to‑Cash
Process from quoting customer to collecting payment. See sales.
R
RBAC (Role‑Based Access Control)
Security model where permissions are assigned to roles, not individuals. See cybersecurity.
Real Estate ERP
ERP for property management: leasing, CAM, tenant billing, lease accounting. See real estate.
Realization Rate
In professional services, billed hours ÷ worked hours (write‑offs). See PSA.
Recovery Point Objective (RPO)
Maximum acceptable data loss measured in time. See DR.
Recovery Time Objective (RTO)
Maximum acceptable downtime after disaster. See DR.
Reference Check
Process of contacting vendor's existing customers during selection. See checklist.
Regulatory Integration
Connecting ERP to government systems (FTA, ZATCA, WPS). See regulatory integration.
Requisition
See Purchase Requisition.
Resource Management
In PSA, allocating people to projects, tracking utilization. See PSA.
REST API
Lightweight web API using HTTP methods and JSON. Common in modern ERPs. See APIs.
Retail ERP
ERP for retailers: POS integration, inventory, omnichannel, loyalty. See retail.
Retainage
Portion of payment withheld until project completion. Common in construction. See construction.
Revenue Recognition
Accounting principle for when revenue is recorded. ERP supports IFRS 15/ASC 606. See compliance.
Reverse Charge
VAT mechanism where buyer accounts for VAT, not seller. Used in imports. See VAT.
RFI (Request for Information)
Document to gather information from potential vendors during selection. See comparison.
RFP (Request for Proposal)
Detailed request for vendor proposal, based on requirements. See comparison.
RFQ (Request for Quote)
Request for price quote from suppliers. Part of procurement.
Risk Register
Document listing identified risks, probability, impact, mitigation. See project risks.
ROI (Return on Investment)
(Net benefits / Total costs) × 100%. Key metric for ERP justification. See ROI calculation.
Rollback Plan
Procedures to revert to legacy system if go‑live fails. See go‑live.
Routing
Sequence of operations to produce a product, assigned to work centres. See manufacturing.
RPO (Recovery Point Objective)
RTL (Right‑to‑Left)
Interface alignment for Arabic and Hebrew languages. See Arabic.
RTO (Recovery Time Objective)
S
S/4HANA
SAP's next‑generation ERP suite, built on HANA in‑memory database. See SAP.
SaaS (Software as a Service)
Software delivery model where vendor hosts and manages application. See cloud hosting.
SAP
Leading ERP vendor. Products: S/4HANA (Tier 1), Business One (Tier 2). See Tier 1.
SAP Business One
SAP's ERP for small to mid‑sized businesses. See Tier 2.
SCM (Supply Chain Management)
Management of goods flow from suppliers to customers. ERP includes SCM modules. See procurement.
Scope Creep
Uncontrolled expansion of project scope. Major risk in ERP projects. See risks.
Segregation of Duties (SoD)
Internal control ensuring no single user has conflicting access. See internal controls.
Serial Number Tracking
Tracking individual units by serial number for warranty, service. See inventory.
Service Level Agreement (SLA)
Contract defining expected service levels (response time, uptime). See support.
Shop Floor Control
Real‑time tracking of production: labor, machine time, materials. See manufacturing.
Single‑Tenant
Cloud architecture with dedicated instance per customer. More control, higher cost. See cloud hosting.
SIPOC
High‑level process map: Suppliers, Inputs, Process, Outputs, Customers. See process mapping.
SIS (Student Information System)
Core of education ERP – student records, attendance, grades. See education.
SOAP API
Older web service protocol using XML. Still used in some legacy ERPs. See APIs.
Sourcing
Process of finding and evaluating suppliers. Part of procurement.
SOX (Sarbanes‑Oxley Act)
US law requiring internal controls over financial reporting. ERP must enforce SoD and audit trails. See compliance.
Spaghetti Integration
Uncontrolled point‑to‑point integrations creating complexity. Middleware solves this. See middleware.
SRS (Software Requirements Specification)
Detailed document defining system requirements. See SRS.
Standard Cost
Predetermined cost of a product, used for planning and variance analysis. See costing.
Steering Committee
Executive group overseeing ERP project. Approves major decisions. See governance.
Straight‑Line Depreciation
Equal depreciation expense each year. See asset management.
Subcontractor Management
In construction ERP, managing subcontractor qualification, insurance, payments. See construction.
Subscription License
Recurring fee model (monthly/yearly). Common in cloud ERP. See licensing.
Super‑User
Power user with deep ERP knowledge who supports colleagues. See user training.
Supply Chain Management
See SCM.
Sure Step
Microsoft's implementation methodology for Dynamics ERP. See methodology.
System Integration
Connecting ERP with other systems. See integration.
T
Tableau
BI tool often used with ERP for data visualization.
Tax Code
Code in ERP determining VAT rate and treatment. See VAT.
Tax Invoice
Invoice with required tax information (TRN, VAT amount, QR code). See e‑invoicing.
TCO (Total Cost of Ownership)
All costs over ERP lifecycle: software, implementation, hardware, ongoing. See TCO.
Three‑Tier Architecture
Presentation, application, database layers. Common in modern ERP. See architecture.
Three‑Way Matching
AP control matching PO, goods receipt, and invoice before payment. See procurement.
Tier 1 ERP
High‑end ERP for large enterprises (SAP, Oracle). See Tier 1.
Tier 2 ERP
Mid‑market ERP (SAP Business One, Dynamics BC, NetSuite). See Tier 2.
Time & Materials (T&M)
Project billing based on actual hours × rates plus expenses. See PSA.
TMS (Transportation Management System)
Module for planning and executing shipments. Often part of logistics ERP. See logistics.
Trading Companies ERP
ERP for import/export businesses: landed cost, multi‑currency, LC tracking. See trading.
Training
User education during ERP implementation. Role‑based, just‑in‑time. See user training.
Transaction Log
Database log of all changes. Used for point‑in‑time recovery. See DR.
TRN (Tax Registration Number)
UAE VAT registration number. Must appear on invoices. See VAT.
Two‑Tier ERP
Architecture with different ERPs for HQ (Tier 1) and subsidiaries (Tier 2). See architecture.
U
UAT (User Acceptance Testing)
Final testing by business users before go‑live. See UAT.
UAE VAT
Value Added Tax in UAE (5%). ERP must handle calculation, returns. See VAT compliance.
UBO (Ultimate Beneficial Owner)
Regulation requiring disclosure of company owners. ERP may track.
Unicode
Character encoding supporting multiple languages, including Arabic. Required for ERP localization.
Unit of Measure (UOM)
Standard unit for items (each, kg, box). ERP handles conversions.
Units of Production Depreciation
Depreciation based on actual usage (machine hours, output). See asset management.
Utilization Rate
In PSA, billable hours ÷ total available hours. Key metric. See PSA.
V
Value Stream Mapping
Lean tool for analyzing material and information flow. See process mapping.
Variance Analysis
Comparing actual costs to standard costs to identify inefficiencies. See costing.
VAT (Value Added Tax)
Consumption tax in many countries. See UAE VAT.
VAT Return
Periodic filing of VAT collected and paid. ERP generates return. See VAT.
Vendor Lock‑in
Difficulty switching ERP vendors due to proprietary tech, contracts. See lock‑in.
Vendor Management
Procurement module function: supplier evaluation, contracts, performance.
W
Warm Site
Partially equipped disaster recovery site. See DR.
Waterfall Methodology
Traditional linear implementation approach. See methodology.
WBS (Work Breakdown Structure)
Hierarchical decomposition of project tasks. See project module.
Weighted Scorecard
Tool for vendor comparison with weighted criteria. See comparison.
WIP (Work in Process)
Partially completed goods in manufacturing. ERP tracks WIP.
WMS (Warehouse Management System)
Module for warehouse operations: receiving, putaway, picking, shipping. See inventory.
Workflow Automation
Automated routing of tasks and approvals. See workflow.
WPS (Wage Protection System)
UAE system ensuring salaries are paid on time. ERP generates WPS files. See UAE challenges.
Write‑off
Reduction of asset value or accounts receivable. ERP handles write‑off transactions.
X
XML
eXtensible Markup Language. Used for data exchange and e‑invoicing (ZATCA). See e‑invoicing.
XPD (Cross‑Project Dependency)
In project management, when one project depends on another.
Y
Y2K
Year 2000 problem – major driver for ERP adoption in late 1990s. See history.
Yield
In manufacturing, usable output from a process. ERP tracks yield.
Z
ZATCA
Zakat, Tax and Customs Authority (Saudi Arabia). Mandates e‑invoicing clearance. See e‑invoicing.
Zero‑rated Supply
VAT taxable at 0% (exports, certain services). See VAT.
Zone (Free Zone)
See Free Zone.
About this glossary
This glossary is continuously updated. Terms link to detailed articles in ERPEDIA where available. Last updated: March 2026.
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