This document discusses instructional media for language teaching. It defines instructional media as materials and physical means an instructor can use to facilitate learning objectives. The document outlines different types of media including audio, visual, and audiovisual. It describes functions of instructional media such as attracting attention and promoting acceptance of ideas. The document provides guidance on when and how to use instructional media, such as in lectures to stimulate interest or for active learning. It also discusses how to develop media by selecting, analyzing, deciding to adapt, adopt, or create materials and considering practicality, student appropriateness, and instructional appropriateness.