The document outlines the fundamental principles of Catholic Social Teaching (CST) according to the Church. It discusses four key principles: human dignity, the common good, subsidiarity, and solidarity. It states that these principles provide parameters for interpreting social phenomena and criteria for discerning social interactions. The document focuses in depth on the principle of human dignity, describing it as the bedrock and foundation of CST. It explains that according to CST, every individual has inherent and immeasurable worth or dignity based on being created in God's image and simply through their existence as a human person.