The 960 Grid System is an effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12 and 16 columns, which can be used separately or in tandem.
“Visualization is a technique to graphically represent sets of data. When data is large or abstract, visualization can help make the data easier to read or understand.” Andreas Pihlström (suprb)