Tiling was invented as an idealistic means to solve the orientation and navigation problems caused by overlapping windows. Navigation between tiled windows is much easier than between overlapped windows, but the cost in pixels is horrendous.

• 当时认为平铺的发明是解决层叠窗口带来的定向和导航问题的理想方法，平铺窗口之间的导航比层叠窗口之间的导航要容易得多，但像素的浪费非常惊人。