| Acronym | Meaning |
| TATT | Tired All The Time (medical Diagnosis In-joke) |
| BP | Battle Position - British Petroleum (today |
| NNE | North North-East |
| ERN | Eritrean Nakfa (ISO 4217 Currency Code) |
| WU | Wabash University - Washington University In St. Louis - Western Union - Windows Update - Work Unit - WU Wien (German Wirtschaftsuniversit?t Wien |
| HTTP | HyperText Transfer Protocol |
| RIAA | Recording Industry Association Of America |
| C2IEDM OR C?IEDM | Command And Control Information Exchange Data Model |
| WSUS | Windows Server Update Services |
| UYU | Uruguayan Peso Uruguayo (ISO 4217 Currency Code) |