"GIT" refers to a version control system that allows developers to track changes in source code over time. Created by Linus Torvalds in 2005, Git enables collaborative software development by allowing multiple contributors to work on projects simultaneously without overwriting each other’s changes. It manages revisions, branches, and merges efficiently, making it easier to revert to previous versions if needed. Git's distributed nature empowers users to work offline and synchronize their changes later, fostering flexibility in development workflows.