This document discusses listening skills and their development. It outlines the listening process, sub-skills of listening like distinguishing sounds and understanding meaning. It also discusses developmental activities teachers can use, such as dictation, following instructions based on a map, and noting details of a program. The document differentiates between types of listening like casual, focused, intensive and extensive listening. Overall, the document provides information on developing effective listening skills through understanding the listening process, sub-skills, and activities.