What Is a Comforter or a Duvet?

In American English, there is a distinction for us between what is a comforter and what is a duvet? Oh, you call it a duvet as well. Well, but then we also have a quilt and a quilt is when it's actually been quilted and put together and has been stitched together. Patchwork style, patchwork quilt. A comforter for us would be a duvet that you don't have a changeable cover that goes over. Right. That might even go on top of the other main duvet. No, the comforter would be like you could go to a department store and you could get a comfor