| Acronym | Meaning |
| LIM | Lifeline Interface Module |
| DPMI | DOS Protected Mode Interface |
| AML | Astronomy Markup Language |
| FSK | Frequency Shift Keying |
| RC4 | RC4 Stream Cipher (Rivest Cipher 4) |
| MTA | Media Terminal Adapter |
| SPEC | Standard Performance Evaluation Corporation |
| AUI | Attachment Unit Interface |
| ERP | Enterprise Resource Planning |
| ST506/412 | Seagate Technologies 506 And 412 Controller (older Technology) |