
At the end of the list are 'MIDI controllers' and 'MIDI Note controllers' groups each with a list of parameters:

I have explored the help windows but I cannot find out where / how they are used. Can someone point me in the right direction?
PS: the main window help refers to 'MIDI settings' in the Settings menu and a 'MIDI Configuration window'. But that choice is not listed in the menu. I presume that this is now the [MIDI] button in the lower- -rioght corner of the main window.

... Big pic:
... Big pic: