Long description

Browser window 1 labeled Two-column layout is shown at the top left of the figure. The contents are arranged in 2 columns across the window.

Browser window 2 labeled Three-column layout is shown at the bottom right of browser window 1, overlapping nearly 20 percent at the bottom. The window is divided into three sections or columns. The first column consists of a vertical navigation bar. The second column consists of three rectangular blocks placed side-by-side at the top and two blocks at the bottom placed side-by-side showing some data and a histogram. The second column is labeled Nested column layouts within a column. The third column consists of a properties window labeled OPTIONS.