For all of the beginners here are the Workspace of Adobe Photoshop Cs3.

You'll use this for all of your work, so try to used all of it

ToolBox

*Menu displays different drop down menus for performing various tasks in Photoshop. 

*Options Bar changes depending on which tool you are currently using from the toolbox.
*Toolbox contains all of the most commonly used tools in Photoshop. 

*Workspace is where you build your project. 

 Pictures and Description from : http://it.usu.edu/tutorials/htm/use-the-adobe-photoshop-cs3-workspace/