The group of gestures, facial expressions, postures is clustering. The correct option is b.
What is clustering?
Postures and gestures are nonverbal communication techniques that we use with our bodies.
Facial expressions, hand movements, eye movements, seated and standing poses, as well as arm movements, shoulders, and leg stances, are all examples.
Clustering is a collection of movements, postures, and actions that reinforce a single idea.
Attempting to decipher body language from a single gesture is analogous to attempting to find narrative meaning in a single word.
Thus, the correct option is b.
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