This document discusses various topics related to professional practice law and ethics. It begins with definitions of ethics, professional ethics, engineering ethics, and personal ethics. It then discusses codes of ethics, professions, professional responsibility, and conflicts of interest. The document provides details on professional ethics, areas of ethical study including meta-ethics, normative ethics, and applied ethics. It also gives an example case on media ethics vs public safety. In summary, the document outlines key concepts and issues pertaining to professional ethics and conduct.