This document discusses non-verbal communication and its various aspects. It defines non-verbal communication as communication transmitted without words. It then covers different types of non-verbal communication like kinesics, paralanguage, artifacts, proxemics, and chronemics. It discusses functions and characteristics of non-verbal communication. Specific aspects covered in more detail include paralanguage, proxemics, artifactual communication, and kinesics. The document emphasizes that non-verbal communication carries cultural biases and should be interpreted in context.