| Acronym | Meaning |
 | UPU | Universal Postal Union |
| IW | Information Warfare |
| GPG | GNU Privacy Guard |
| RTA | Road Traffic Accident (British) |
| MYOB | Mind Your Own Business |
| XBB | European Monetary Unit (E.M.U.; Bonds Market Unit) (ISO 4217 Currency Code) |
| PTAL | Public Transport Accessibility Level |
| EPLRS | Enhanced Position Location Reporting System (ee-plarz) |
| BEO | Banquet Event Order |
| NDO | Ndonga Language (ISO 639-2 Code) |
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