XDG user directory

I recently deleted all the visible folders on my home directory subconsciously, and files start appearing on my desktop which I like it clean (so I can enjoy my wallpaper rather being obstructed with icons).

The file need to be configured is ~/.config/user-dirs.dirs, if it's missing you can make one with invoking xdg-user-dirs-update. Yep, simple!
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Thanks to superchango@bbs.arclinux for saving me from reading the XDG docs.