So in its most simple structure, it’s a three part structure of the story. You have a likable hero, who has a desire, they encounter a roadblock, and ultimately they emerge transformed, and that’s the basic structure.
But it wasn’t until I came across a Gustav Freytag’s pyramid. He drew this shape in 1863. Now he was a German dramatist – he was a German dramatist – and he believed there is a five act structure, which has an exposition, a rising action, a climax, a falling action and a denouement, which is the unraveling or the resolution of the story.