This document discusses online learning, including its meaning, scope, and importance in education. It defines online learning as internet-based courses offered synchronously or asynchronously. The scope of online learning includes online courses, revisions, training, libraries, apps, and games. It is important as it provides increased flexibility of time and location, access to diverse resources, and develops digital literacy skills useful for today's world. Advantages include convenience, enhanced learning, and cost savings, while disadvantages include lack of human interaction and health issues from isolation.