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.
A duvet cover is like a large pillow case for a duvet. The duvet fits inside the cover which buttons closed at one end. Some duvet covers are basic and plain made from fabric like a sheet. Some duvet covers are made from decorative fabrics to complete the bedroom decor.