http://en.wikipedia.org/wiki/Video
http://en.wikipedia.org/wiki/Digital_video
Frame Rate Standards: NTSC and PAL (fps)
Aspect Ratio (16:9 4:3)
Display Resolution
Video Compression
File Formats
File storage media
In-camera editing
Audio (internal / external microphone)
Frame Rate
Aspect Ratio
Aperture Control
Zoom Control (Optical / Digital)
Export / Download Abilities
Playback Abilities
Power Supply
Importing Functions
Digital Effects
Transitions
Titling and Credits
Audio
Multiple Layers and Tracks
Exporting Functions