This helps you organize the use case information answering the first question at the beginning of this article: How do you organize your use cases?

Additionally, operations are provided to re-execute test cases, cancel test execution, debug test cases, and auto-expand the test case information in the window as the tests are running.

And the material influenced by the above-mentioned behaviors will change its shape, position etc... it will become to be the material evidence for storing the relative case information.