of "video" and "capture", vidcap
refers to video
which has been digitize
d (and usually heavily compress
ed) and that resides on a computer
or computer-readable media
Unlike a video tape or film, a vidcap can be moved from computer to computer easily because of its digital format and relatively small file size. Most vidcaps are only selected portions of the source movie or film for reasons of file size and limitations of video capturing hardware.