Which of the following are true of kinesics, a type of non-verbal communication?

A. Kinesics does not convey any meaning.

B. Kinesics does not reflect the social system of an individual.

C. Body movements of an individual have potential meanings.

D. Kinesics can be subject to systematic analysis.

E. A person's body language is part of his social system shared with others.

Choose the correct answer from the options given below: