# Requirements Document

# Requirements Document: [PROJECT NAME]

**Version:** 1.0
**Date:** YYYY-MM-DD
**Author:** Business Analyst / Product Owner
**Status:** Draft | In Review | Approved
**Client Sign-off:** ☐

---

## 1. Introduction

### 1.1 Purpose
[Why this document exists, what it covers]

### 1.2 Project Reference
- Project Charter: [link]
- Scope Statement: [link]

### 1.3 Stakeholders

| Name | Role | Interest | Contact |
|------|------|----------|---------|
| | | | |

## 2. Functional Requirements

### FR-001: [Feature Name]
- **Priority:** Must Have | Should Have | Could Have | Won't Have
- **Description:** [What the system must do]
- **Acceptance Criteria:**
  - [ ] Given [context], when [action], then [result]
  - [ ] Given [context], when [action], then [result]
- **User Stories:** US-001, US-002
- **Dependencies:** [None / FR-xxx]

### FR-002: [Feature Name]
- **Priority:**
- **Description:**
- **Acceptance Criteria:**
  - [ ]
- **User Stories:**
- **Dependencies:**

## 3. Non-Functional Requirements

### 3.1 Performance
| Metric | Target | Measurement |
|--------|--------|-------------|
| Page load time | < 2s | Lighthouse |
| API response time | < 500ms | Server logs |
| Concurrent users | [X] | Load test |

### 3.2 Security
- [ ] Authentication method: [JWT / Session / OAuth]
- [ ] Authorization model: [RBAC / ABAC]
- [ ] Data encryption: [At rest / In transit]
- [ ] GDPR compliance: [Yes/No — specify requirements]

### 3.3 Accessibility
- [ ] WCAG 2.1 AA compliance
- [ ] Keyboard navigation
- [ ] Screen reader support

### 3.4 Scalability
- [ ] Expected growth: [X users/month]
- [ ] Horizontal scaling: [Yes/No]

### 3.5 Reliability
- [ ] Uptime target: [99.9%]
- [ ] Backup frequency: [Daily]
- [ ] Recovery time objective: [X hours]

## 4. Data Requirements

### 4.1 Data Entities
| Entity | Description | Source | Volume |
|--------|-------------|--------|--------|
| | | | |

### 4.2 Data Retention
| Data Type | Retention Period | Deletion Method |
|-----------|-----------------|-----------------|
| | | |

## 5. Integration Requirements

| System | Direction | Protocol | Data | Frequency |
|--------|-----------|----------|------|-----------|
| | In/Out/Both | REST/GraphQL/Webhook | | Real-time/Batch |

## 6. Constraints

- [Technical constraint 1]
- [Business constraint 1]
- [Regulatory constraint 1]

## 7. Assumptions

- [Assumption 1]
- [Assumption 2]

## 8. MoSCoW Prioritization Summary

| Priority | Count | Items |
|----------|-------|-------|
| Must Have | | FR-001, FR-002... |
| Should Have | | |
| Could Have | | |
| Won't Have | | |

## 9. Sign-off

| Role | Name | Date | Approved |
|------|------|------|----------|
| Product Owner | | | ☐ |
| Tech Lead | | | ☐ |
| Client | | | ☐ |