| Acronym | Meaning |
| PAI | PolyAmide Imide |
| EFF | Electronic Frontier Foundation |
| CRM | Cardiac Rhythm Management - Customer Relationship Management |
| MKO | Mojahedin-e-Khalq Organization (Arabic People's Mujahedin Of Iran) |
| NER | Niger (ISO 3166 Trigram) |
| DDD | Data Display Debugger - Digital Digital Digital (CD Mastering) |
| LBN | Lebanon (ISO 3166 Trigram) |
| CPF | Calibration Parameter File - Canadian Patrol Frigate |
| LLC | Limited Liability Company |
| NFA | No-Fire Area |