Making the world better, one answer at a time. The word foil in drama means a character or scene that is set up as a contrast to another so that each will stand out vividly.. Hope that helped.
Typically, a comforter is a thick, quilted, fluffy blanket that is used to keep you warm. It is usually filled with synthetic fiber filler which is quilted or stitched to secure the filling and keep it evenly distributed. Unlike a duvet, the comforter only forms one piece of all of your bed linens.
In American English, it may be called a comforter; however, a comforter is usually a slightly different type of bedding that is not as thick, does not have a cover, and is often used over a top sheet. Duvets originated in rural Europe and were filled with the down feathers of ducks.