Mastering the Requirements Process: Getting Requirements Right, 3rd Edition

4. Business Use Cases

in which we discuss a fail-safe way of partitioning the work and so smooth the way for your requirements investigation

The blastoff process, which we described in the previous chapter, establishes the scope of the work—the business area to be studied. This scope—ideally shown graphically as a context diagram—defines a business area, part of which is to be automated by your intended product. In reality, this work scope is probably too large to be studied as a single unit. Just as you cut your food into small bites before attempting to eat it, so it is necessary to partition the work into manageable pieces before studying it to find the product’s requirements.

“Never eat anything bigger than your head.”

—B. Kliban

In this ...