| Acronym | Meaning |
| CGIG | Cross-Government Implementation Group |
| GFDL | GNU Free Documentation License |
| SAD | Seasonal Affective Disorder - Situational Awareness Display |
| PH | Passive Homing (missile Guidance System) -petahenry - Philippines (ISO 3166 Digram) -Probability Of Hit - Public Health - Purple Heart |
| EIRP | Effective Isotropic Radiated Power |
| AFM | Army Field Manual (UK; The U.S. More Frequently Uses Just FM) - Atomic Force Microscope - Aviation Fleet Maintenance |
| SWALK | Sealed With A Loving Kiss |
| GS | Gigasecond |
| 4GL | Fourth-generation Programming Language |
| NSO | National Standardization Office (ABCA) |