The Files menu is a modern file manager. You will keep there, all of your files, images and files, uploaded by your visitors.

My Files - all of your uploaded files, will be stored here, trough the my files form.

Uploaded files - here will be stored all of the files, uploaded by your visitors, trough the upload form of your site.

Images - all images you have uploaded in your site, are stored here, so you can use them whenever you want.