Navigation hotkeys can be configured on a system or user level.
If configured, when clicking the combination of the required characters, the user will be navigated to the necessary page.
A combination of two or three characters can be set per each Hotkey
Setting up System default hotkeys:
From: Administrator > Web Administrator > Configuration > Defaults > System default hotkeys section (fig 5):
The Hotkeys can be selected in one of two ways:
Selecting the required characters from the Keys' pull-down menus: