| Acronym | Meaning |
| BSL | British Sign Language |
| ICV | Infantry Carrier Vehicle |
| RGBI | Red Green Blue Intensity (ditto) |
| FARC | Fuerzas Armadas Revolucionarias De Colombia (Spanish |
| P2P | Peer-to-peer (networking) |
| TM | Technical Manual - Theatre Missile - Thematic Mapper -trademark (often Written In Small Superscript Type: TM Or ?) -Turing Machine -Turkmenistan (ISO 3166 Digram) |
| LAN | Local Area Network |
| INFOSEC | Information Security |
| FIN | Finland (ISO 3166 Trigram) |
| TCD | Chad (ISO 3166 Trigram) |