Retesting is a process of validating a specific feature whose function failed during the previous test. It is done to verify whether the test cases reported with some bugs during the execution time are fixed.
In the software development lifecycle, the major crucial elements are testing the software's functionality, performance, security, and other aspects, which involves checking the software for any errors. However, the major challenge is validating the software's working in line with the target audience. It is crucial to ensure the effectiveness and dependability of the developed software, and here retesting dives in as the savior.