The document outlines the power and hierarchy of the Catholic Church during the Middle Ages. It describes how the Pope became the head of the Western church after the Roman Emperor moved the capital to Constantinople. The Pope had authority over archbishops, bishops, priests, monks and nuns. Disagreeing with the Pope could result in excommunication, which meant you could be killed without punishment. The document also discusses how Charlemagne was crowned by the Pope, demonstrating the Pope's authority over rulers.