| Acronym | Meaning |
| GL | Galician Language (ISO 639-1 Code) |
| AX | land Islands (ISO 3166 Digram) |
| AT | Attotesla |
| CPA | Certified Public Accountant |
| IRAS | Infrared Astronomical Satellite |
| HRH | His (or Her) Royal Highness |
| TOS | Tape Operating System - Terms Of Service - Tramiel Operating System |
| OPEC | Organization Of Petroleum Exporting Countries |
| PLD | Probable Line Of Deployment |
| IA | Interlingua Language (ISO 639-1 Code) |