Answer:
to refine the menu approach
1. Provide hotkeys for frequently accessed menu items.
2. Allow advanced users to customize a quick access bar to allow them to quickly access a more frequently used item.
Step-by-step explanation:
1. Shortcut keys (Hot keys) provide a method for users to activate frequently used menu items in your menu system and to provide keyboard access to your application for those users who do not.
2. The Quick Access Toolbar (or QAT) allows you to create an easily accessible group of shortcuts to the tools you use most frequently.