| Acronym | Meaning |
| VTC | Virus Test Center |
| NAT | Network Address Translation |
| FCC | File Carbon Copy |
| DIN | Deutsches Institut F?r Normung (German Institute For Standardization) |
| API | Application Program(ming) Interface |
| ESC | Escape Character |
| DLP | Digital Light Processing |
| PIP | Peripheral Interchange Program |
| ADP | Automatic Data Processing |
| LBV | Layered Biometric Verification |