This document discusses e-learning concepts, usage, and tools. It defines e-learning as involving computers and interactive networks in learning activities. It describes different types of e-learning such as online learning, distance learning, synchronous learning which occurs in real-time, and asynchronous learning which allows self-paced study. It also outlines common e-learning elements like text, images, animations, audio, and video. Additionally, it discusses communication methods in e-learning like one-to-one, one-to-many, many-to-one, and many-to-many interactions and provides examples of each.