| Acronym | Meaning |
| BASIC | Beginners All-purpose Symbolic Instruction Code |
| PBX | Private Branch Exchange |
| AARP | AppleTalk Address Resolution Protocol |
| CYMK | Cyan Yellow Magenta Black (Key) |
| UML | Unified Modeling Language |
| OSR | OEM System Release |
| QCIF | Quarter Common Intermediate Format |
| NSAPI | Netscape Server API |
| HP-GL | Hewlett-Packard Graphics Language |
| XT | Extended |