Business Analyst: What is a use case diagram benefits?

Use case diagram benefits — advantages of using use cases.

Benefits:

• Visual communication — easy to understand.
• Scope definition — clear boundaries.
• Actor identification — who uses system.
• Functionality overview — what system does.
• Stakeholder alignment — shared understanding.

Example:

Limitations:

• No process details.
• No timing.
• No data flow.

Best for:

• Early requirements.
• High-level communication.