The test case check 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 checks available in Testify. When executing a test casecheck, an issue can be created if the obtained result does not match the desired result. Checks can be executed with certain equipment (e.g. camera) if the real life test case check requires it.
For information on the different types of test cases checks within your Testify environment you have to navigate to the following article: Test case types