Lintel
The area above a window is called the header or window lintel, while the area below a window is typically referred to as the windowsill or window ledge.
what is the name for a flashing above a window
Transom .
A short curtain above a window is called a valance. It is a decorative fabric treatment that is typically used to conceal curtain rods or hardware and add a finishing touch to the window decor.
That metal piece is typically called a "drip edge." It is installed under the window sill to help direct water away from the window and prevent it from seeping into the wall or foundation of the house.
pediment, window pediment, crosshead pediment
The horizontal beam above a door or window is sometimes called a lintel. This part of the door or window is a portion of the frame in most cases.
This is called a "transom". In the U.S., this name applies if the window is fixed or if it opens.
Usually found above the driver's side window on a metal plate.
The part of the framing above a window opening is known as the lintel. It is a horizontal structural element that supports the load from above, helping distribute the weight of the structure evenly.
Rear Deck.
a crown