A shortcut key is an additional keyboard shortcut. Typically it is a function key or a combination of Ctrl key and another key. For example a common shortcut key for save is Ctrl + S.
A shortcut is assigned using the ShortCut property of the menu item:
A shortcut key should be assigned only to the most commonly used menu options. A shortcut key is quicker to use than the accelerator key because it invokes the option directly, whereas when using accelerator keys the menu title has to be selected before selecting the option inside it.
Shortcut keys must be unique within the application.