E-Learning plays vital role in recent years. It is defined as learning with a computer where you can learn in a learning environment and also connected with your teacher. Mostly an e-Learning is a self study course with self interest. In this paper we discuss the overview of e-learning that is history of e-learning, its four main components such as standardization of content, development of content, management of content, and delivery of content with examples, authoring tools and the types of content to present the concept in interactive way
