1) Architectural element 2) Cornice 3) Curtain rail cover 4) Frame 5) Framework 6) Framing 7) Valance 8) Valance board 1) Cornice 2) Valance 
A pelmet (also called a `cornice board`) is a framework placed above a window, used to conceal curtain fixtures. These can be used decoratively (to hide the curtain rod) and also help insulate the window by preventing convection currents. It is similar in appearance to a valance, which performs the same function but is made of fabric. A pelmet c.....
fringe or valance for hiding a curtain rod