This document discusses listening and provides information on various types of listening. It defines listening versus hearing, with listening being an active mental process compared to the passive physical process of hearing. There are different types of listening including focused listening, casual listening, active listening, and passive listening. The document also discusses types of listeners such as non-listeners, minimal listeners, pretend listeners, and active listeners. It outlines the differences between active and passive listening and barriers to effective listening such as physical and psychological barriers. Finally, it provides tips for effective listening and emphasizes the importance of listening.