there exists in physics this notion of domains something Schwartschild was noted for observing for example how gravity works in our everyday experiences is a little different than how you describe that same force in an Einsteinian continuum; which there again fails to predict the rotations of galaxies even more so the expansion of some parts of the universe; well this is not different than say.... organizing Jeet Kun Do style into packages of distance what essentially constitue MMA range or about ten feet then FBI range or about 20 feet then a mile which is the mean average distance for trench warfare in a global conflict