analog - A recording, circuit, or piece of equipment that produces an output that varies as a continuous function of the inpurt. Analog recordings tend to degrade as material is transferred from one source to another.

digital - Refers to a recording, circuit, or piece of equipment in which the output varies in discrete on-off steps so that it can be reproduced without generation loss.

videographer - The person in video production who has overall responsibility for making sure all shots are properly lit and composed.

Source - "Electronic Moviemaking" by Lynne S. Gross and Larry W. Ward, Wadsorth, New York, 2000.