20. Requirements for Summary Statement

• Before we begin design analysis with CRC, we need to have a Requirements Summary Statement, or similar document, explaining various aspects of the system, such as:

  • What the system will be able to do, is ...

  • Intended purpose of this application is ...

  • The users of software are ...

  • Business rules are ...

  • Typical use cases are ...

  • But not how will the system do all this!

• Sample Summary Statement