This document discusses the importance of Christian morality. It begins by defining key terms like morality, custom, moral, immoral, and amoral. It then discusses how morality deals with the rightness or wrongness of human conduct according to social norms. The document outlines some foundations of Christian morality, including natural law, truth, freedom, conscience. It explains that morality is a guide to freedom, connects humanity to eternity, promotes full human development, guides us towards reality, and gives life meaning. Overall, the document provides an introduction to Christian morality by defining important concepts and outlining the significance and purpose of morality.