This document discusses e-learning and defines key related terms. It begins by defining e-learning as using computer technologies for learning purposes. It then distinguishes between online learning, e-learning, and blended learning. The rest of the document explores tools and approaches for e-learning, including learning management systems, virtual learning environments, mobile learning, and the flipped classroom model. It discusses benefits of e-learning such as convenience and flexibility. The document takes a broad look at e-learning trends and the future of integrating technology into education.