Which plot structure is found commonly in fairy tales, folk tales, and myths?

The plot structure commonly followed by most fairy tales, folk tales and myths is known as the episode. These stories have a common style of writing as well. All the fairy tales, folk tales and myths have a common style of having a moral behind each of the stories. Having a moral behind every story is a big difference between the normal stories and the stories like the fairy tales. These kind of stories are mostly written in simple languages for children’s to understand the plot and the moral behind the story.