| Acronym | Meaning |
| YABPR | Yet Another Brother Pat Rant |
| Y | Yocto |
| UJTL | Universal Joint Task List |
| JL | Japan Airlines (IATA Airline Designator) |
| EF | Entry Foyer |
| BO | Tibetan Language (ISO 639-1 Code) |
| MES | Marconi Electronic Systems - Medium Edison Screw |
| KI | Gikuyu Language (ISO 639-1 Code) |
| EUS | Basque Language (ISO 639-2 Code) |
| AR | Argentina (FIPS 10-4 Country Code; ISO 3166 Digram) - Arkansas (postal Symbol) - Armour |