| Acronym | Meaning |
| PMID | PubMed Identifier |
| RU | Russian Language (ISO 639-1 Code) |
| ZW | Zeptowatt |
| SWE | Sweden (ISO 3166 Trigram) |
| LRS | Long Range Surveillance |
| TK | Turkmen Language (ISO 639-1 Code) |
| ZM | Zambia (ISO 3166 Digram) |
| OPSEC | Operations Security - Open Platform For Security |
| HPGL OR HP | GL -Hewlett-Packard Graphics Language |
| PINF | People In Need Foundation (Czech Charitable Organisation) |