I believe the answer is depth!
The answer is iconography:)
The French artist Pierre-Paul Prud'hon created chiaroscuro by using black and white chalk on paper
Critics - cues are internal
Historians - cues are external (have to know additional info)
or
Historians studies time gone by while artists makes remarks about art
Film soundtracks will speed up, edit, and rearrange music and songs as to fit the scene that the music take place. This way the song isn't too long, and fits the mood.
Hope this helps!
