I remember my mom asking this when she was learning to drive a stick-shift in her 60s - "If both the gears and the clutch help in changing the speed, what's the difference between them?"
I had a huge problem in explaining this in simple terms without having to go into the the huge amount of detail.
I had a huge problem in explaining this in simple terms without having to go into the the huge amount of detail.
Maybe it's something like that?