I have never had trouble with any actor being able to visualise things. They are amazing. As long as you have your monster head on a long stick so you can hold it up there and you can wave it around and let them see it and explain it to them they are just great.
Creative risk taking is essential to success in any goal where the stakes are high. Thoughtless risks are destructive of course but perhaps even more wasteful is thoughtless caution which prompts inaction and promotes failure to seize opportunity.