According to the text, signs are defined as:

a) involuntary expressions of present emotion.
b) voluntary expressions that stand for something else.
c) letters, sounds, words, or mathematical expressions.
d) the psychological meanings people assign to words.

ANS: a

Communication & Mass Media

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What is secondary motion?

a. the motion within a secondary frame b. editing motion c. any movement of the camera while picking up images d. object motion along the x-axis e. background motion

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