What is a requirements specification?

Definition: A requirements specification (Lastenheft in German) is a document detailing the requirements and expectations of a client for a project or product. It outlines what the system, product, or service being developed should achieve and the specific requirements that must be met.

What does a requirements specification include?

The requirements specification describes the objectives, functions, features, and quality requirements of the project. It includes information on the needs and expectations of users, technical and functional specifications, and any constraints or requirements. The requirements specification serves as the basis for creating a functional specification, where the detailed implementation of the requirements is defined.

What is the advantage of a requirements specification?

The requirements specification is an essential tool for communication between client and contractor to ensure all parties have the same expectations and goals, and that the requirements are clearly defined.