Exactly. The trigger rotates around the forward circle (of the trigger) in the drawing.
Aaaah! I even googled ”deriding”.
verb (used with object), de·rid·ed, de·rid·ing.
to laugh at in scorn or contempt; scoff or jeer at; mock.
Depr… Pressing on the safety lever activates the button beneath it. In the AJ37 it originally put the NWS into HI, so to speak. That led to some landing mishaps and the NWS steering system and rudder pedals were redesigned and the button lost its function. In the JA37, which uses the same stick grip, the button was used to uncage the sight.