A Requirement is a specific provision that outlines criteria that must be fulfilled by a system or product. Requirements guide development and ensure that products meet user needs.
Key Characteristics:
- Specificity: Clearly defined criteria that must be met.
- Measurability: Requirements should be quantifiable or testable.
- Traceability: Each requirement should have a unique identifier for tracking purposes.
Types of Requirements:
- Functional Requirements: Describe what the system should do.
- Non-Functional Requirements: Outline performance, usability and reliability standards.
Requirements play a crucial role in successful project outcomes by ensuring that all stakeholders have a clear understanding of expectations.