| Acronym | Meaning |
| BCC | Block Check Character |
| WDM | Wavelength Division Multiplexing |
| XTA | XT (Extended) Attachment |
| IANAL | I Am Not A Lawyer |
| PICNIC | Problem In Chair, Not In Computer |
| SYN | Synchronize Sequence Number |
| PJTF | Portable Job Ticket Format |
| MICR | Magnetic Ink Character Recognition (Reader) |
| TTF | True Type Font |
| UCITA | Uniform Computer Information Transaction Act |