The document discusses different types of instructional media including text, images, audio, videos, and simulations. It describes Dale's Cone of Experience which illustrates how people learn best through different levels of engagement. The document also covers instructional design models and how they incorporate learning theories like behaviorism and constructivism. Finally, it provides examples of digital media technologies for authoring, delivering, and managing instructional content like the internet, learning management systems, and multimedia authoring tools.