Non-verbal communication through body language can convey messages without words and can be interpreted as positive or negative.
Non-verbal communication occurs when body language and gestures are used to convey messages, without speaking. In the scenario described, John's actions of leaning back in his chair with arms folded indicate non-verbal communication. This form of communication can be interpreted as negative due to the closed-off and disengaged body language displayed by John.
https://brainly.com/question/22558440