Dive Into Dijit

One huge feature that sets the Dojo Toolkit apart from other JavaScript libraries is its UI component system: Dijit. A flexible, comprehensive collection of Dojo classes (complemented by corresponding assets like images, CSS files, etc.), Dijit allows you to create flexible, extensible, stylish widgets. To learn how to install, configure, and use basic Dijits within your web application, keep reading!

http://www.sitepen.com/blog/2010/07/12/dive-into-dijit/