Similarities: Most have been passed down from generation to generation. They are typically not real, though many people do believe in each.
Differences: Myths are usually based off of religion, often telling stories about supernatural beings. Legends are typically based off of some historical fact that has had characters put into it and has been embellished after being retold many times. Tall tales are stories with unbelievable elements. Fables are stories that feature animals. Fairy tales normally have some sort of fantastic element, something that would feature magic, imaginary characters and more often than not, a conflict between two sides of good and evil. Folklore is traditional customs, beliefs and stories of a community.
A source of primary information useful in a literature review
Explanation:
The term primary source is used broadly to embody all sources that are original. Primary sources provide first-hand information that is closest to the object of study. Primary sources vary by discipline.