| attribute | |
| derived attribute | |
| composite or structured attribute | |
| multivalued attribute | |
| key attribute | |
| entity type | |
| an example Star entity type | |
| an example Student entity type | |
| an example Movie entity type | |
| relationship type | |
| an example many-many relationship type | |
| weak entity type | |
| owning or identifying relationship type | |
| an example Child weak entity type | |