| Acronym | Meaning |
| PPLI | Precise Participant Location & Identification |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| DBCS | Double-Byte Character Set |
| DRPR | Drawing Practices |
| EJ | Exajoule |
| UW | University Of Washington |
| UGX | Ugandan Shilling (ISO 4217 Currency Code) |
| PT | Portuguese Language (ISO 639-1 Code) |
| WWF | World Wildlife Fund - World Wrestling Federation |
| CATK | Counterattack |