Software Testing Life Cycle (STLC) is a series of steps and activities performed during the testing process to ensure the quality of software product is met.
Software Testing Life Cycle is a part of Software Development Life cycle. STLC consists only of testing phases. There are multiple phases in STLC with each step or stage being the input for the next stage. Read more about it at
www.webomates.com/blog/software-testing/software-testing-life-cycle/More details: Software Testing Life Cycle