Requirement Traceability
As test cases are mapped to requirements, your team is able to know the test coverage of the requirement. And since test results are attached to test cases after execution, your team is able to get test results of requirements covered during the testing.
Traceability Matrix
[Screenshot - UG0016_Requirement_Traceability_Matrix]
Traceability List
[Screenshot - UG0017_Requirement_Traceability_List]