Introduction is a type of beginning to a speech, essay, book, or other written material. It is used to introduce the main topic or idea of the work and to provide a brief overview of the main points. Introduction can also refer to the beginning of a meeting or conversation in which the participants introduce themselves to each other. There are several types of introduction. A narrative introduction tells a story or provides background information to the main topic. This type of introduction is often used in fiction and other creative works. An argumentative introduction presents the main point of view and provides evidence to back up the argument. An expository introduction explains the purpose of the work and provides a summary of the main points. Finally, a persuasive introduction tries to convince the reader to agree with a certain point of view.