They feature an arched center and shorter rectangular windows on either side. The shape of the palladian window adds architectural interest to the room, but it won't stick out like a sore thumb. You should keep in mind the size of the window, the color scheme of the room, and the view from your window to decide whether or not the design will fit with the rest of your room.
With Palladian windows, you are expected to observe the window as one of the dominant architectural functions of the space. Palladian windows make an extremely strong declaration of style. If you want a home with a sophisticated classical style, a Palladian window might be the best option. These windows offer a developing air of venerable old age and classic magnificence.