| Word | Description |
| FireWire | (IEEE 1394 or i.LINK) A high-speed bus that was developed by Apple Computer. It is used, among other things, to connect digital camcorders to computers. |
| FPS | (frames per second) Measures the rate or speed of video or film. Film is typically shot and played back at 24fps. Video is recorded and played back at 30fps. |
| frequency | Number of vibrations produced by a signal or sound, usually expressed as cycles per second, or hertz (Hz). |