| Acronym | Meaning |
| A/D | Analog/Digital |
| ASA | AcetylSalicylic Acid - American Standards Association - Army Security Agency - Atlantic Southeast Airlines |
| WAK | Wake Island (ISO 3166 Trigram |
| BX | Base EXchange -Brunei (FIPS 10-4 Country Code) |
| PASA | PolyAmide |
| PJ | Petajoule |
| RNPS | Radio Network Planning System |
| FI | F?d?ration ?questre Internationale (French International Federation For Equestrian Sports) |
| GUF | French Guiana (ISO 3166 Trigram) |
| IDC | International Data Corporation |