This document discusses verbal and non-verbal communication. It defines verbal communication as communicating through spoken or written words. It lists some characteristics of effective verbal communication such as being brief, precise, and using simple language. It also discusses merits and demerits of verbal communication. Non-verbal communication is defined as unwritten and unspoken messages through body language, gestures, eye contact, and voice. The document outlines different types of non-verbal communication and emphasizes the importance of understanding non-verbal cues in effective communication.