| Acronym | Meaning |
| ACK | Acknowledge Character |
| DXF | Data Exchange File (Format) |
| VSA | Virtual Storage Architecture |
| PVC | Permanent Virtual Circuit |
| SVC | Switched Virtual Circuit |
| ECN | Explicit Congestion Notification |
| MTU | Maximum Transmission Unit |
| LZW | Lempel-Zif-Welsh |
| VRAM | Video Random Access Memory |
| VERONICA | Very Easy Rodent-Oriented Networkwide Index To Computerized Archives |