This document discusses listening as a receptive skill that involves hearing and perceiving messages. It describes the stages of listening as hearing, processing, and evaluating. It outlines subskills like predicting themes, understanding collocations, and grasping mood. It also discusses phases like pre-listening, on-listening, and post-listening. It defines types of listening such as extensive, intensive, focused, and casual. Barriers to listening mentioned include linguistic, physiological, and psychological factors. Techniques to develop listening skills proposed include phoneme recognition tests, responding to stress/intonation, dictation, simulation, and extended communication.