CCD—charged coupled device, refers to the way that the object being viewed is processed by the image sensor

CMOS—complimentary metal oxide semiconductor , another type of image sensor like the CCD it converts light into electrons creating the cameras picture.

AGC—automatic gain control, a electronic circuit in the camera that amplifies the video signal when it falls below a given value.

BLC—back light compensation, circuitry that automatically makes adjustments when the target is overwhelmed by light from behind the subject.