This document provides an overview of key concepts related to social inequality, including social capital, social exclusion, poverty, and social welfare. It introduces theoretical perspectives on social inequality from Marxism, functionalism, and interpretivism. Marx viewed inequality as inherent to capitalism and necessary for the system to function, while functionalists see some inequality as necessary for meritocracy. The document discusses theorists related to each concept and poses questions for further discussion around the effects and experiences of social inequality.