| Acronym | Meaning |
| ODB | Operational Data Base -Oxford Dictionary Of Byzantium |
| BCFG | Patchy Fog (METAR Code) |
| DRM | Digital Rights Management |
| ND | Non-Disclosure -North Dakota (postal Symbol) |
| BGD | Bangladesh (ISO 3166 Trigram) |
| DHS | U.S. Department Of Homeland Security |
| HCF | Highest Common Factor |
| GABA | Gamma-AminoButyric Acid |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| ITAS | Improved Target Acquisition Sight |