How to Predict the Laws of Physics?

The word gage comes from the idea of measuring something, or like having a reference o length. He actually come from trains, because back on the day, people were building railroads all across the united states,. and they were building them of different gauges. Ad people thought, like, is just sort of an arbitrary choice of train gauge. So then when physicists were trying to find a word that captured that sense of arbitrariness, as you say, like to set a scale. They chose the word gauge, because visitors love trains on in a wy lik in thought experiments, right? Ha, ha, ha,ha, ha,  a ya, welt,