| Acronym | Meaning |
| ACT | R/PM -ACT-R/Perceptual-Motor (cognitive Model) |
| RUC | Royal Ulster Constabulary |
| METOC | Meteorological And Oceanographic |
| DAK | Disney's Animal Kingdom |
| PY | Paraguay (ISO 3166 Digram) - Person-Year -Portsmouth Yardstick |
| CHA | Chamorro Language (ISO 639-2 Code) |
| TH | Thai Language (ISO 639-1 Code) |
| SNE | Synthetic Natural Environment |
| UCR | University Of Costa Rica |
| NFLD | Newfoundland |