This document defines and describes different types of communication. It begins by defining communication as the exchange of ideas, thoughts, feelings, and emotions through speech, signals, writing or behavior. It then describes two main types of communication - verbal and non-verbal. Verbal communication refers to communication through words, both oral and written. Non-verbal communication includes gestures, facial expressions, body language, touch, sign language, time, and paralanguage. The document also discusses interpersonal, intrapersonal, extrapersonal, group, and mass communication. It notes that communication can establish understanding or lead to conflict, and concludes by thanking the reader.