Here is where you change settings and configure Amarok.
|Hide the menu bar. Show it again by pressing Ctrl + M|
|Allows you to set the Replay Gain mode;, by , or by|
|Allows you to make custom keyboard shortcuts|
|Configure General options, Internet Services, Playback, Notifications, and Database|
Clicking this option will hide the menu bar.
The only way to show the menu bar again is by pressing Ctrl + M, because you can't de-select the menu option when no menu bar is shown. More about the Menus in the Menubar.
The replay gain mode will change the volume depending on meta information of the track. More about replay gain: Wikipedia entry for replay gain.
You can switch the replay gain mechanism off, use a track-based or the album-based replay gain.
Change and define new keyboard shortcuts, or turn on multimedia keys if your keyboard has them. More about Shortcuts.
Configure many aspects of Amarok. Details in Configuring Amarok.