Business Analyst: What is a use case vs user story vs feature?

Use case — detailed scenario. User story — brief description. Feature — capability.

Use Case:

• Detailed steps.
• Preconditions.
• Alternative flows.

User Story:

• Brief description.
• As a... I want... So that...
• Agile format.

Feature:

• Larger scope.
• Multiple stories.
• Capability name.

Example:

Key differences:

• Feature — what (capability).
• User Story — who wants what.
• Use Case — how it works.