Software testing is an essential part of the software development lifecycle. It helps to ensure that software is free of bugs and defects, and that it meets the needs of the users. There are many different ways to test software, and the best approach will vary depending on the specific software and the needs of the organization.

Test management is the process of planning, executing, and controlling software tests. It ensures that all aspects of testing are properly executed and that the results are documented and communicated. Test management is essential for ensuring the quality of software products.

Software testing methodologies are processes or frameworks that help software testers to plan, design, execute and report software testing activities in a systematic and efficient manner. There are several software testing methodologies, each with its own strengths and weaknesses, and they are used to ensure the quality of the software product being developed.