Chapter 9. The Requirements Discipline
This chapter describes important concepts that are necessary to capture and manage the requirements of your system effectively and to design a user interface focused on the needs and goals of the users, as well as other important stakeholders. A brief overview of the requirements discipline in the Rational Unified Process is included.
The goals of the requirements discipline are as follows:
To establish and maintain agreement with the customers and other stakeholders on what the system should do—and why!
To provide system developers with a better understanding of the system requirements
To define the boundaries of (delimit) the system
To provide a basis for planning the technical contents of iterations ...