| Acronym | Meaning |
| BVT | Bouvet Island (ISO 3166 Trigram) |
| HMP | Her Majesty's Prison |
| IDC | International Data Corporation |
| SBCS | Single-Byte Character Set |
| ATSD | (U.S.) Assistant To The Secretary Of Defense |
| DEU | Germany (ISO 3166 Trigram) |
| IM | Isle Of Man (FIPS 10-4 Territory Code) -Instant Message (internet Speech) |
| LOD | Lines Of Development (UK) |
| SADL | Situation Awareness Data Link (saddle) - Structural Architecture Description Language |
| HCI | Human-Computer Interaction/Interface |