Describe requirement traceability

Question

Describe about requirement traceability and explain its importance?

Answer 1

In most companies testing starts after the execution or coding stage of the project. But if some companies want to really advantage from testing, then testers must get concerned right from the requirement stage.
If the testers get concerned right from the requirement stage then requirement traceability is one of the main reports that are able to point what kind of test coverage the test cases have.