# Entity–relationship model
Entities and identities:
Attributes:
Relationship name:
Minimum / maximum participation at each end:
Uniqueness rules:
Optional relationships:
Lifecycle or history questions:

## Review checklist
- [ ] Are identities distinguished from display names?
- [ ] Are optional and many-valued relationships explicit?
- [ ] Which constraints need implementation beyond the diagram?

Original template: Anuj Sadani, CC BY 4.0
Source guide: https://tech.anujsadani.in/ai-output-field-guide/approaches/erd/