Open, clear, readable layout. Natural, sequential design. Intuitive, multiple-method browsing. Icons to associate similar topics. Icons turn into buttons when you move the mouse.
Flat icons keep the document layout simple and clean, while offering the power of buttons.
Click a button to pop-up a menu. Menus contain links to topics, pop-up windows, or special functions. Logical, graphical Table of Contents design. These are true Windows menus. Rainbow buttons for color experimenting.