| Acronym | Meaning |
| SUI | Sonic User Interface |
| PDD | Past Due Date - Presidential Decision Directive |
| AAI | Applied Artificial Intelligence |
| BJP | Bharatiya Janata Party (Indian People's Party) |
| NWHN | U.S. National Women's Health Network |
| TACCSF | U.S. Theater Aerospace Command & Control Simulation Facility |
| ZR | Zaire (ISO 3166 Digram; Obsolete 1997) |
| ZHA | Zhuang Language (ISO 639-2 Code) |
| HDTV | High-Definition Television |
| CAN | Canada (ISO 3166 Trigram) |