The settings dialogue consists of a number of panels, and options to load and/or save settings.
The panels are:
To go to a particular panel, select it from the drop down at the top of the dialogue.
Underneath every panel are buttons to store settings in and load settings from configuration files. To save your settings, select Save or Save As… as appropriate. To load settings, click Open….
In order to keep users asleep, the help, OK and cancel buttons, common to every panel, behave in the usual way.