Toolbars let users access the most commonly used commands without opening a menu or context menu. They should contain buttons representing the commands that users will need the most.
Often, toolbar commands aren’t amenable to shortcuts for some reason. For example, Figure 4-6 shows the Toolbox window that Visual Studio displays when the Windows Form Designer is open. It’s unlikely that you could assign shortcuts for all 67 of these tools that the user could remember.
Figure 4-6. The Toolbox in Visual Studio contains controls that you can put on a form.
The ribbon used by recent versions of some Microsoft products such as Word, ...