[Windows Vista] What is Windows Sidebar?

In Windows Vista, Windows Sidebar is located on the desktop and contains gadgets, which are customizable mini-programs that display continuously updated information and allow users to perform common tasks without opening a window.

■ About Sidebar

Windows Sidebar is located on the desktop which is used for organizing the gadget tools. Windows Sidebar can be customized according to usage in a simple form. Generally it displays on the top of the screen. Sometimes it can also be placed at the bottom of a maximized window.

■ About Gadget

Gadget enables access the Web Browser, Calculator and Calendar quickly.
Windows Vista has internalized gadgets with basic functions and can be used instantly. 
Users can also easily download other accessories from the Online Gadget.