This document provides information about different forms of communication from a presentation given by Chetan sir at the Government Engineering College in Bhavnagar. It defines communication as the exchange of facts, ideas, opinions, or emotions between two or more people. Verbal communication includes both oral communication like interviews and speeches as well as written communication like letters, reports, and books. Non-verbal communication includes sign language, body language through facial expressions, gestures, posture, and eye contact.