Social class is a concept used to describe the stratification of society into different groups based on economic, social, and political factors. CASTE is a term used to refer to a system of social stratification in which people are grouped according to their hereditary status. ORDER is a term used to refer to a hierarchical arrangement of social classes, with each class having different levels of power and privilege. ILK is a term used to refer to a group of people who share similar characteristics or backgrounds.