Five Common Requirement Description Patterns in Software Projects

1. Leader‑Oral Type : A developer is pressured by a manager to deliver a hand‑written feature and merge approval steps within a tight deadline, despite lacking experience and facing contradictory instructions.

2. Confused Type : A project manager repeatedly changes requirements after vague meetings with a semi‑technical client, leading to endless revisions, unclear specifications, and a final product that nobody actually uses.

3. Detail‑Heavy Type : A Japanese client provides a 100‑page use‑case document with class diagrams, UI mockups, and pseudo‑code, prompting the team to wonder why the software isn’t already built and how to handle potential errors.

4. Oral + Prototype Type : During a meeting, the manager briefly outlines the version’s requirements and shows a UI prototype, while developers simultaneously consider database design, data migration, service APIs, and workflow.

5. Client‑Participation Type : The project adopts agile practices with the client’s representative embedded in the team, using user stories (e.g., "As a , I want to achieve ") and frequent two‑week iterations, resulting in reduced communication overhead, clearer priorities, and a successful, though slightly delayed, delivery.

These five scenarios, drawn from personal experience, demonstrate how the style of requirement description can dramatically affect project efficiency, team morale, and final outcomes.