The document discusses different types of communication. It describes communication as the exchange of information, ideas, thoughts, and feelings through speech, signals, writing, or behavior. There are two main types of communication: verbal communication, which refers to communication through words either spoken or written, and nonverbal communication, which involves wordless messages through gestures, body language, facial expressions, and other cues. Within verbal communication, the document distinguishes between oral communication such as conversations and written communication like emails and letters. Nonverbal communication relies on appearance, body language, and paralinguistic features to send messages.