| Acronym | Meaning |
| C2IEDM OR C?IEDM | Command And Control Information Exchange Data Model |
| YI | Yiddish Language (ISO 639-1 Code) |
| QU | Quechua Language (ISO 639-1 Code) |
| LJ | La Jolla - Larry Johnson - LaserJet - Library Journal - Linux Journal - LiveJournal - Ljubljana - Lord Justice Of Appeal -Sierra National Airlines (IATA Code) |
| BST | Binary Search Tree - Blended Sales Tax -Bovine Somatotropin -British Summer Time |
| SSR | Radar Picket Submarine (retired US Navy Hull Classification) -Solid State Recorder |
| PLAID | Precision Location And Identification |
| LACMA | Los Angeles County Museum Of Art |
| WDC | Western Design Center - World Data Center |
| NDAA | U.S. National Defense Authorization Act |