The Source Control page describes source control storage/repository location. See Using Source Control for more information.
The same Source Control page is also displayed for ATEasy projects, programs, and systems. The information displayed is read-only and gathered from your Workspace file. The information is created when you first Add the project documents to source control. If the document is not under source control the Repository and working copy fields will be empty.
A URL where the source control provider repository resides. This could be a physical folder or a URL.
A Folder with in the Repository Database/Root folder. Some Provider such as Git do not require this. Some providers such as Microsoft Source Safe calls it Project.
A local folder as a top level folder for your local files (providers typically will create a folder (.svn, .git) or a file (.scc) to store information regarding your source control files in that folder).