When you work on a project, if you are not using source version control such as Git, you might think that there is only one folder for your project. For example, any Vue app that you've installed using Vue CLI 3 will end up as one separate folder with a number of subfolders inside of it.
We can simplify the tree structure of such a Vue app, and describe it like this:
aVueApp
|- aSubfolder
|- anotherSubfolder
|- yetAnotherSubfolder
Note that our imaginary Vue app has one root folder called aVueApp. Inside of this root folder are three subfolders that contain the complete functionality of our Vue app.
As long as we're dealing with only a few files and folders, that is, as long as our Vue app is very small, we don't have to worry about versioning our files and folders, since there's almost nothing to be versioned. If we make an...