The action described in the choice, i.e. the act of saying "This way," and naturally taking her hand.
I think you're getting caught up again in being too literal about your interpretation of "spot". If you understand that it's a abstract/figurative use, can't you understand how the action described might be the (figurative) "sweet spot" or the safe compromise compared to other options which are too familiar, too over-dramatic, etc. etc.?
How it would be translated in English (if at all) really isn't relevant. You have to be able to learn and train yourself to understand expressions like these on a fundamental level without relying on English translation.