Social division refers to the arrangement of society into hierarchies based on unequal power, property, social evaluation, and gratification. Society can be divided into classes, categories, or ranks. This leads to social inequality as resources and rewards are distributed unequally. Division of labor separates tasks between industries, firms, and worker occupations. Social status can be ascribed, such as one's family background, or achieved through one's own efforts and merits. A social class shares an economic position based on wealth and income. Mobility within or between classes can change one's status and position in society. Race is a social construct where meaning has been attached to physical and social characteristics used to categorize and group people. Ethnicity refers to belonging