Based on the information given this nonverbal communication is related to Identity management.
Identity management occur when a person tries to manage their identity in a social circle by using a strategy or technique.
A person can tend to use different identity management in order to cope when they are in the midst of people or group of people, such person may tend to smile often so as to make a great first impression about them self to others.
Using identity management may help to build confidence.
Inconclusion this nonverbal communication is related to Identity management.
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