If you chew your nails because you are worried or anxious, you are using the type of gesture classified as an illustration.

Name: If you chew your nails because you are worried or anxious, you are using the type of gesture classified as an illustration.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Chewing nails due to worry or anxiety is considered an "adaptor" gesture, not an "illustration." Adaptor gestures are used to manage emotions or feelings, whereas illustrative gestures are used to complement verbal communication.

If You Chew Your Nails Because You Are Worried or Anxious