An audio visual is a tool used to enhance your viewers experience.

audio is something you hear, visual is something you see.

William J Connelly has written:

'The why, what and when of audio-visuals' -- subject(s): Bibliography, Audio-visual equipment, Audio-visual education

Mayme Lee O'Brien has written:

'Teaching Old Testament with audio-visuals' -- subject(s): Audio-visual aids, Audio-visual education, Bible, Religious education, Study

The story needed dramatic visuals to be good.-apex