This document provides an overview of mythology, including definitions of mythology and myth. It discusses the purposes and nature of myths, comparing myths to legends and folktales. The document outlines several theories about the origins of mythology, such as euphemerism, allegories, and the myth-ritual theory. It then examines the functions of mythology according to scholars like Eliade, Honko, and Campbell. The document provides a historical overview of mythology, outlining pre-modern, 19th century, and 20th century theories. It also briefly discusses comparative mythology and the systematic comparison of myths across cultures.