The term "class structure" refers to the organization of a society according to social and economic classes. Synonyms for this expression include "social hierarchy," "class system," "stratification," and "caste system." Each of these phrases describes the way in which people are divided based on their social status, with certain groups enjoying more power, privilege, and access to resources than others. While some societies may be more rigidly stratified than others, the class structure is a universal element of human social organization. Understanding the dynamics of class and social inequality is crucial in addressing issues of social justice and promoting greater equality and fairness in our communities.