This document provides an overview of ethics and morality. It defines ethics as the philosophical study of morality, and morality as the standards that individuals or groups have about what is right and wrong. It discusses the difference between descriptive and normative morality. It also examines the relationship between morality, religion, law, and social etiquette. The document poses questions about the nature and function of morality. It explores different views on the sources and purposes of morality. Finally, it discusses some prominent philosophers like Peter Singer and debates around the idea of moral expertise.