| Context Organization and Data Definitions |
| Authenticate User Action Subject |
| Certificate Annotation Subject |
| DICOM Study Identity Subjects |
| Encounter Identity Subject |
| Observation Request Identity Subject |
| Patient Identity Subject |
| User Identity Subject |
| View Subject |
| Custom Subjects |
| Custom Subject and Item Naming Conventions |
| Subject snd Item Data Format |
| Subject Data Definitions Constraints |
