| Word | Description |
| GB | (Gigabyte) Giga- is a prefix that means one billion, so a Gigabyte is 1,000,000,000 bytes. Most commonly used to measure hard disk space. |
| generation loss | Degradation in picture and sound quality resulting from an analog duplication of original master video recording. Copying a copy and all successive duplication compounds generation loss. Digital transfers are free of generation loss. |