Solution:Non-verbal communication don’t involve the exchange of words. Proxemics, paralanguage, kinesics and chronemics is type of non verbal communication.
Kinesic : Use of body language, posture and movement to convey message.
Proxemics: Interpretation of body motion communication such as facial expressions and genstures.
Paralanguage: It refers to the non lexical components of speech such as pitch, tone, intonation and volume to convey message.
Chronemics: Chronemics is the study of how human beings communicate through the use of time.