Class is an indicator of power, which in our capitalistic society, is largely determined by income or wealth. Using the terms "lower, middle, upper class" mostl

Class is an indicator of power, which in our capitalistic society, is largely determined by income or wealth. Using the terms "lower, middle, upper class" mostly does speak of differences in income[1], though the upper class is mostly determined by wealth and a return on capital instead of labor. [1] https://en.wikipedia.org/wiki/Social_class_in_the_United_States https://en.wikipedia.org/wiki/Social_class_in_the_United_Sta...