| Acronym | Meaning |
| RJD | Reduced Julian Day |
| AU | Gold |
| SYR | Syria (ISO 3166 Trigram) |
| FOIA | Freedom Of Information Act |
| PTL | Patrol -Primary Target Line |
| GDL | Game Definition Language |
| DIS | Defence Intelligence Staff - (U.S.) Defense Investigative Service - Distributed Interactive Simulation - Draft International Standard (ISO) |
| ISLN | International Standard Lawyer Number |
| YI | Yobi |
| HAI | Human Awareness Institute |