The document discusses the history and use of grids in design. It begins with an overview of grids and their purpose in bringing order and standardization to design. It then provides examples of grids used historically from the 1400s to modern times. The document goes on to describe how to build a grid for a specific website, including determining constraints, establishing units and columns, and using the grid to layout page elements while allowing for behavior of elements. It emphasizes using grids not just for alignment but for visual consistency and tightness.
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