| Acronym | Meaning |
| SPID | Service Profile (Provider) Identification |
| MAU | Multistation Access Unit |
| SPX | Sequenced Packet Exchange |
| XMLC | Extensible Markup Language Compiler |
| MIDI | Musical Instrument Digital Interface |
| WAP | Wireless Access Protocol |
| ICMP | Internet Control Message Protocol |
| AIML | Astronomical Instrument Markup Language |
| CDMA | Code Division Multiple Access |
| SSI | Server-Side Include |