NPC Codes
| CODE | NPC Code | NPC Code | |
| HIERARCHY | Hierarchy | Hierarchy | |
| NAME | Name | Description | |
| DEFINITION | Definition | Definition | |
| USE_REFERENCE | Use reference | Keywords | |
| SEE_ALSO | See also | See also | |
| changeDate | Change date | Date record changed or created | |
| Examples | Examples | Examples | |
| Scope_notes | Scope notes | Scope notes | |
| NTEE | Revised NTEE XP code | NTEE-CC code |