A natural movement of any part of the body that conveys a thought or an emotion or reinforces oral expression defines which of the following communication skills?

The concept being described is best captured by gesturing, which involves using movements of the hands and arms to express thoughts or emotions and to complement spoken communication. Gesturing is a fundamental aspect of non-verbal communication that can enhance the clarity of the message being conveyed, providing context and emphasis that words alone may not fully encapsulate. This form of communication is instinctual and often intuitive, enabling individuals to express themselves more expressively and engagingly during interactions.

While body language encompasses a broader range of non-verbal cues, including facial expressions, posture, and overall demeanor, gesturing is more specifically focused on hand and arm movements. Posturing refers to the positioning of the body as a whole and can convey a message or attitude, but it doesn't uniquely highlight hand movements as gesturing does. Mimicry involves imitating someone else's gestures or expressions and doesn't necessarily communicate one's own thoughts or emotions effectively. Thus, gesturing is the most accurate response for the definition provided, emphasizing its significant role in enhancing communication by visually reinforcing verbal messages.