Changes [Nov 17, 2017]Adding Assignments ...
Folders in Google Sites File Cabinet are dsiplayed as Horizontal bars with labels.
Files can be moved under a particular Label by using the Move to Button
Once you have created "Folders" you can not move documents out of the folder structure. The document can only be moved from one existing folder to another. If you remove a folder you remove everything that sits in that folder.
Plan your Folders carefully before you begin.