Across
- 1. Individual step or operation in an activity
- 8. Relationship that reuses a use case
- 9. Diagram showing object interactions over time
- 11. Constraint that restricts what an action can do (e.g., pre/post)
- 15. A node that selects one outgoing path based on a condition
- 16. Connector between activity nodes
- 17. Use case diagram element representing a user or external system
- 18. Notation for partitioning activities by responsibility
- 19. Node that splits a flow into concurrent threads
Down
- 2. Model of a real-world entity in OOA
- 3. Formal description of a use case (text + flows)
- 4. Node that synchronizes concurrent threads
- 5. Arrow that represents a relationship in a class diagram
- 6. Point where multiple control flows merge
- 7. Diagram showing steps, actions, and control flow
- 10. Sequence diagram element representing an object’s existence
- 12. Notation for a class’s responsibility (e.g., “do something”)
- 13. “Is-a” relationship between classes
- 14. Communication between objects in a sequence diagram
