How to Communicate Your Idea Successfully

I don't want to give the developer an understanding of what I want built and then say like okay go build this whole thing for a week and then let me know when you're done. What I would do instead is give the person like an hour's worth of work and they go do it with us making corrections every step of the way so we never get too far off the rails. Or I'm like the Maestro and I'm saying that's what I'm saying yeah. It's kind of like the dream of like people who are like you're going to do them because I'm like way faster and it's like well yes but now you don't even need them because like you