| Acronym | Meaning |
| PDQ | Pre-Defined Queries (Siebel Packages) - Pretty Damn Quick |
| AR | Arabic Language (ISO 639-1 Code) |
| IIRC | If I Recall/Remember Correctly |
| MZN | Mozambique Metical (ISO 4217 Currency Code) |
| OCA | Observatoire De La C?te D'Azur - Offensive Counter-Air |
| EBW | Electron Beam Welding |
| CIS | Canadian Interuniversity Sport - Commonwealth Of Independent States - Command And Information System - Communication And Information System |
| AIA | Aerospace Industry Association - American Institute Of Architects -Anguilla (ISO 3166 Trigram) |
| ABSTRIPS | Abstraction-Based STRIPS |
| PBCK | Problem Between Chair And Keyboard (computer Help Desk In-joke) |