11+ Symbols Used In Use Case Diagram. A use case diagram at its simplest is a representation of a user's interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. Let's close this lesson with a quick summary of the symbols used in a use case diagram.
Label with ovals with verbs that represent the system's functions. Use case diagrams show business use cases, actors, and the relationships between them. They enable you to visualize the different types of roles in a.
A use case diagram shows the interaction between the system and entities external to the system.
11+ Symbols Used In Use Case Diagram. Use case diagrams show business use cases, actors, and the relationships between them. Experts recommend that use case diagrams. Let's close this lesson with a quick summary of the symbols used in a use case diagram. A use case diagram doesn't go into a lot of detail—for example, don't expect it to model the order in which steps are performed.