| Acronym | Meaning |
| CMPD | Charlotte Mecklenburg Police Department |
| QSTAG | Quadripartite Standardization Agreement (cue-stag) |
| XRML | EXtensible Rights Markup Language |
| LEN | Large Extension Node |
| GEOS | Graphical Environment Operating System |
| FMECA | Failure Modes And Effect Criticality Analysis |
| ELF | Earth Liberation Front - Endangered Language Fund - Eritrean Liberation Front - Executable And Linkable Format - Extremely Low Frequency |
| CFC | ChloroFluoroCarbon |
| ATC | Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948) |
| AT&T | American Telephone And Telegraph (U.S. Company |