Load default layouts is a way to reset the layout to the initial values as sometimes you end with panels or controls in a position you can' t recover.
Activate system tray icon This allows to validate the Close minimizes to system tray icon option and then to display the Guayadeque icon in the system tray... so that when Guayadeque has been closed, clicking on this icon starts Guayadeque immediately.
Enqueue as default action allows you to define the behavior of double clicking elements in the library, album browser, play list, etc. The default is to replace the current playing tracks, but with this option you can add the tracks at the end of the playing queue.
Drop files clears play list must be selected if you want to clear the Now Playing list when you drop files from the file navigator, from another program or from the library panel, so that you get only the new tracks. The default behavior is to insert the tracks in the position you drop them.
Instant text search displays all the results as soon as you begin to type the first letters of your search text (it may be slow...) the number of results is reduced step by step while you continue to write the whole text for your search.