Curtains
Curtain, in interior design decorative fabric commonly hung to regulate the admission of light at windows and to prevent drafts from door or window openings. Curtains, usually of a heavy material, arranged to fall straight in ornamental folds are also called draperies. Portieres are heavy curtains hung in a doorway.
BLINDS
Blinds are made from solid material such as wood, metal, vinyl, or plastic that can easily be raised and lowered to effectively block out light.