Fundamentally, it is one of the important aspects of communication. It has various functions described as follows:
- ü Used to repeat the verbal message (example: point in a direction while stating directions.
- ü Often used to accent a verbal message. (example: verbal tone indicates the definite meaning of the specific words)
- ü It is used to control interactions (includes non-verbal signals that covey when can other person speak or not).
- ü May substitute for the verbal message (Especially when it is blocked by noise, interruption, etc.) Finger on the lips symbolizes to being quite.