Windows which are hinged on top and swing outward to open. They are usually rectangular, and wider than they are long.
Window with sash swinging outward from the bottom. ( style guide)
A window with hinges at the top allowing it to open out and up.
Single level windows that tilt outward and up.
Wider than they are tall. They provide more light and ventilation when placed above or below a window or door.
Single-sash windows that tilt outward and up.