This is the 4745th most frequent Chinese word.
窗
Window.
窗 is used here to refer to the physical window, a frame with glass panes.
窗外的风景真美。
The scenery outside the window is truly beautiful.
窗 refers to the movable component of the window mechanism.
我打开窗让新鲜空气进来。
I opened the window to let fresh air in.
窗 indicates the location near the window as a reference point.