Ch. 4 Functionality Flashcards
What is an association relationship?
Communication between the use case and the actors
What is a generalization relationship?
Allows use cases to support inheritance
What is an extend relationship?
Extends the functionality of the use case
What is an include relationship?
Includes another use case
What is a use case?
How a business system interacts with its environment
What is functional decomposition?
The breaking up of a complex use case into several simpler ones
What is a use case action?
Is a simple, nondecomposable piece of behavior
What is a use case trigger?
The person or thing that starts the execution of the use case
What does a use case describe?
Describes basic functions of the system:
- What the user can do
- How the system responds
What is a scenario?
Each possible execution path through the use case
