My first post here: Windows 10 build 19042 Ver 20H2

I don't know happened. Yesterday, I used Calibre that requires access to files in a folder in my Documents folder. But it wasn't there. All files and folders were gone and apparently moved to onedrive. I was able to move that folder back to the document folder within my user account and all of that worked okay. But why, had the files and folders been moved like that without my action. Also, how should I put my system back in order, if it is out of order?

Not only have the files been moved but the point to locations have been changed. The location of Documents is listed as "C:\Users\jvpri\OneDrive\Pictures" . Hmm...why should the documents folder have been placed within Pictures? There still exists a Documents folder within my User directory account but it was empty.

Also, some of my content on Desktop have been moved to a OneDrive/Desktop directory. There is a Where are my Files link left on the Desktop.

Because of all this, I tried to learn a bit more about how OneDrive is supposed to work, but only go more confused. So, besides solving my immediate problem, is there somewhere a good read that will simplify what I am supposed to expect from Onedrive and how to keep it all straight.