Snyder has identified 10 different types of story, each with a key set of rules that can be adapted but not abandoned without peril. He calls them “genres” but not in the sense that we usually think of the term. This isn’t a distinction between RomComs and Action stories. It’s a differentiation between the key elements that drive a conflict and how a fulfilling end can be reached. If you’re interested, you can learn about all 10 genres here.