How Git manages to stay lean and fast ⚡?

You launch a project, initialize Git, stage your changes, and commit. Boom. Just like that, you have version control—a permanent, searchable history of your work. As the project scales into something massive, the need for experimentation grows. You decide to build a complex new feature, so you spin up a branch. Bam. In seconds, you have a parallel sandbox where you can break things, fix them, and evolve your code without ever touching the stability of your main build. Yes, that is the power of Git. It is fast, efficient and stays leans even when your project is huge and complex. In this post, I will try to explain the behind the scene of how git manages to do it. Chapter 0: The three areas Imagine you are launching a new project. To ensure every move is recorded and the chaos of multiple contributors is kept at bay, you reach for a foundation: you initialize Git . Git works by dividing your project into 3 distinct areas, Working, Staging, History/Snapshot. Working area: This is the are