This section is used to crete folders and upload files. The difference with 'file administration' is that the files or images are displayed without ID's.
You can create a new folder or upload a file through the respective button. You can also upload a zip file, which you have to extract after uploading. After this you will see an overview of your uploaded and extraced files.
Rename your file with a click on 'edit'. Click 'delete' to remove a file.