Two help commands are available which are specific to the Editor and any tools which use editor windows.
Choose Help > Editing > Key to Command and type a key sequence to display a description of the function it is bound to, if any.
Choose Help > Editing > Command to Key and supply an editor command name to see the key sequence it is bound to, if any.
LispWorks IDE User Guide (Macintosh version) - 25 Nov 2011