| type | Abstract Class |
| Name | Issue |
| Description | |
| Immediate Parent(system) | |
| Source Provider(real world) | |
| Authority (real world) | |
| Example | |
| Inclusion | |
| Exclusion | |
| Rules | |
| Cross Reference (to concept) | resolves(Activity_Type, Issue) |
| Modeller | |
| Date | |
| Status | |
| Comment | |
| Derived From (document) | |