| Acronym | Meaning |
| CTSS | Compatible Time-Sharing System |
| HMP | Her Majesty's Prison |
| XX | Twenty (in Roman Numerals) |
| FTP | File Transfer Protocol |
| MOE | Marvel Of Entertainment |
| CHS | Combat Health Support |
| TK | Terakelvin - Tokelau (ISO 3166 Digram) |
| GYD | Guyana Dollar (ISO 4217 Currency Code) |
| TDA | The Disney Afternoon |
| BMNT | Begin Morning Nautical Twilight |