Therefore, we can overlook non-verbal signals. Foot movements, voice variations, facial expressions are all forms of non-verbal communications that individuals send to each other.
Body language is the oldest language.
Often there is a discrepancy between someone's words and their physical actions. Usually in these instances, the verbal and non-verbal messages are in conflict. Observe the way people sit or stand while talking with others. It has been noticed that when people in a group or gathering agree with one person. If the person shifts position, the others are likely to quickly to do the same.