| Acronym | Meaning |
| HHD | Humanitatum Doctor (Latin |
| Q1 | First Quarter |
| NA | Namibia (ISO 3166 Digram) -National Archives - Negative Acknowledge |
| FCO | UK Foreign And Commonwealth Office |
| NAF | NATO Architecture Framework -Naval Air Facility |
| FJ | Femtojoule |
| J5 | Joint Strategic Plans & Policy Directorate |
| CVLL | Crypto Variable Logic Label |
| DST | Daylight Saving Time |
| MAO | Mol?t? Astronomijos Observatorija (Moletai Astronomical Observatory) - MonoAmine Oxidase |