The test case represents the actual (real life) process steps. So every check represents a component within a checklist. Currently there are 11 different types of test cases available in Testify. When executing a test case, an issue can be created if the obtained result does not match the desired result. Checks can be performed with certain equipment (e.g. camera) if the real life test case requires it.
For information on the different types of test cases within your Testify environment you have to navigate to the following article: Test case types