Glossary
Part of: MPAC SmartPOS Cloud Platform - Product RequirementsVersion: 2.0 Last Updated: 2026-01-28
Overview
This glossary provides definitions for technical terms, acronyms, and domain-specific terminology used throughout the MPAC SmartPOS Cloud Platform documentation. Terms are organized alphabetically for quick reference.
Terms and Definitions
| Term | Definition |
|---|---|
| PSP | Payment Service Provider - Top-level organization |
| Merchant | Business or brand operating stores |
| Store | Physical location with SmartPOS devices |
| Device | SmartPOS terminal (Android-based) |
| Order | Customer's purchase before payment |
| Bill | Payment request generated from order |
| Payment | Individual transaction (cash, QR, card) |
| Split | Partial payment of a bill |
| Receipt | Transaction confirmation document |
| Invoice | Formal business invoice (tax document) |
| Settlement | End-of-day financial reconciliation |
| PaymentIntent | PGW entity representing payment intent |
| MPM | Merchant-Presented Mode (customer scans merchant QR) |
| CPM | Customer-Presented Mode (merchant scans customer QR) |
| HMAC | Hash-based Message Authentication Code |
| JWT | JSON Web Token (authentication token) |
| JWKS | JSON Web Key Set (public keys) |
| OAuth2 | Authorization framework |
| MFA | Multi-Factor Authentication |
| RBAC | Role-Based Access Control |
| PGW | Payment Gateway (mpac-pgw service) |
| S2S | Server-to-Server |
| ESC-POS | Printer control language |
| ARN | Acquirer Reference Number (card transaction ID) |
See Also
Related References:
- API Endpoint Summary - Complete API catalog
- Status Code Reference - HTTP and payment status codes
- Configuration Reference - Environment variables
Domain Documentation:
- Authentication & Identity - Identity terminology
- Payment Processing - Payment concepts
- Business Operations - Order and bill terms
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