Use Cases are specific to single events or functions of the product. When multiple use cases are combined, they can form a scenario. From here a scenario can tell a story and can be illustrated as such.
What is the use of a Use Case?
A use case helps product teams recognize the full functional potential of a product, be it a tool or website. It outlines the steps a user will take to accomplish a goal, helping teams identify any errors that might occur during this process. The insight translates into a smoother, more satisfying user experience.