| Acronym | Meaning |
| TLD | Top-Level Domain |
| UMB | Upper Memory Block |
| CD-I | Compact Disc-Interactive |
| VCSEL | Vertical-Cavity Surface-Emitting Laser |
| LIM | Lotus-Intel-Microsoft |
| WPA | Wi-Fi Protected Access (WPA And WPA2) |
| UDP | UDP - User Datagram Protocol |
| EWAN | Emulator Without A Name |
| ELD | Electroluminescent Display |
| HPAS | Hypermedia Presentation And Authoring System |