The document discusses various forms of communication. It defines communication and describes the key elements and process of communication. The main forms of communication discussed are verbal communication, which includes oral and written communication, and non-verbal communication, which includes sign language, body language, and other visual and audio signals. Within non-verbal communication, specific aspects like posture, gestures, facial expressions, eye contact, personal appearance and vocal features are explained. Advantages and disadvantages of different forms of communication are also highlighted.