We use more or less the same words in America and the UK, or British and American English. So let's go through the vocab again. From the floor to the top, here are the things on a bed. And then there's a top sheet, which goes between you and the duvet,. Also, of course, you've got the pillow and a pillow case. A blanket might be made of thick wool and could be added to the top to give an extra layer of warmth in the winter or something. That's if you're the kind of person who sleeps with a top sheet. I don't. Ah, too complicated and you get too hot.