| Acronym | Meaning |
| ZV | Zoomed Video Port |
| CMMI | Capability Maturity Model Integration |
| MUD | Multiple User (or Multi-User) Dungeon (Dimension) |
| CTI | Computer-Telephony Integration |
| BCC | Blind Carbon Copy |
| MAN | Metropolitan Area Network |
| MUSH | Multi-User Shared Hallucination |
| PIM | Personal Information Manager |
| AML | Astronomy Markup Language |
| BTW | By The Way |