Use Cases: Patterns and Blueprints

Chapter 3. Use-Case Modeling: An Introduction

Many different groups of people need to understand the functionality of a system. First, obviously, are the owners of the system. They need to understand the functionality of the system under development, to make sure that the developed system will be the system they want and need. Just as important are the developers of the system, who need to know what system they are to produce. Another important group is the testers, who must verify that what the system offers is in accordance with what was originally agreed on. Other groups that must understand the system include the managers in the organization where the system is to be used, the technical writers who produce user manuals, the service personnel ...