What Makes The Best Dinner Plate To Eat Against?

Here is a food for thought for you today. In the world of fishing your goal is to present a lure in away that makes it easier for the fish to eat it, kinda like eating off a plate. If you work a jig across a rocky bottom you have a hard plate for the fish to eat against. In the world of the BBZ mindset, if you fish a swimbait across the top of the water then would the "AIR" be just as hard as the rocky bottom for the fish to eat against. That being said, can the edge of a shadow line be just a tangible as both the rock and the air? Just something to make you think on how fish look at things. Let's Keep it In The BBZ.