Specification Document
A specification document is a formal written description that defines the requirements, design, behavior, or other characteristics of a system, product, or process. It serves as a blueprint for development, ensuring all stakeholders have a clear, shared understanding of what needs to be built or implemented. Common types include software requirements specifications (SRS), technical specifications, and API specifications.
Developers should learn to create and use specification documents to reduce ambiguity, prevent scope creep, and facilitate communication in projects, especially in complex or team-based environments. They are essential in regulated industries (e.g., healthcare, finance) for compliance, and for documenting APIs, software architectures, or product features to ensure consistency and quality.