Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition

6.14. Requirements in Context and Low-Level Feature Lists

As implied by the title of the book Uses Cases: Requirements in Context [GK00], a key motivation of the use case idea is the consideration and organization of requirements in the context of the goals and scenarios of using a system. That's a good thing—it improves cohesion and comprehension. However, use cases are not the only necessary requirements artifact. Some non-functional requirements, domain rules and context, and other hard-to-place elements are better captured in the Supplementary Specification, which is described in the next chapter.

One idea behind use cases is to replace detailed, low-level feature lists (which were common in traditional requirements methods) with use cases ...