The grace period is over. If you still do not understand replication and what happens when you move files out of the dropbox folder, you will be terminated. I don't care how it happened and why. Don't bother explaining, don't bother putting the files back. You are history and dropbox.com repairs your damage.
vowe's Gesetz der konstanten Armleuchterquote applies. I am blurring your name here, but all remaining users can see it.