Final answer:
Ethics is the field of philosophy that investigates concepts of right and wrong behavior. It is divided into three main areas: metaethics, normative ethics, and applied ethics. Normative ethics examines how people make decisions they see as legally and morally appropriate, while applied ethics applies ethical principles to specific actions or issues.
Step-by-step explanation:
Ethics is the field of philosophy that investigates morality and engages in 'systematizing, defending, and recommending concepts of right and wrong behavior.' It is divided into three main areas: metaethics, normative ethics, and applied ethics. Metaethics focuses on moral reasoning and foundational questions, normative ethics examines how people make decisions they see as legally and morally appropriate, and applied ethics applies ethical principles and norms to specific actions or issues.