thoughts like switches

The big problem we have to solve is how to get our ideas into the temporary concrete world. We externalize second what we are internalizing first. How is this accomplished? What is this thinking, night and day dreaming, all about? How much can we practically hope to control?  I sense our thoughts can be like switches turning something in the concrete on and off. By concrete I sense it would be electrical and/or magnetic. Our thoughts could be like fingers on a mouse pointing. Perhaps if one stretches the envelope too far we need best to slip into fiction if we are to start the process off.