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You don't need the "docs" folder, those are instructions, etc. But you're right about the rest.
Basically, whatever modules are in the "modules" folder on your hard drive should be uploaded directly into the "modules" folder on your web site.
You can do it a couple of ways.
1. Upload the entire "modules" folder to your site's root folder. The files and folders inside of the folder you just uploaded will be added to the modules that are already inside your site's "modules" folder.
2. You can upload the modules in your hard drive's "modules" folder individually into your site's "modules" folder.