Introduction
When you work on files in a project, the working directory is where you make changes. It shows the current state of your files before you save or share them with others.
When you want to see which files you have changed but not yet saved to the project history.
When you want to check if you have new files that are not yet tracked by the project.
When you want to prepare files to be saved in the project history by adding them to the staging area.
When you want to undo changes in your files before saving them.
When you want to confirm the exact changes you made before sharing your work.