Use the following to guide your reading from Chapter 9: Use Cases in UML Distilled (Fowler 2004):

  1. Define the following terms:
    • use case
    • actor
    • main success scenario
    • extensions
    • precondition
    • guarantee (or postcondition)
    • trigger
  2. What is the difference between a system use case and business use case?
    • Describe the various levels of use cases.