: The study of the church, including its purpose, rituals (like Baptism and Communion), and leadership structures [31].
: The doctrine of salvation, which explores how humanity is redeemed through faith and God's grace [26]. theological doctrine
: The theological study of humanity, emphasizing that humans are created in the image of God but are currently in a fallen state due to sin [21, 26]. : The study of the church, including its
: The study of God himself, his attributes (like being eternal and holy), and the doctrine of the Trinity (one God in three persons) [23, 26]. : The study of God himself, his attributes
: The historical consensus of the religious community, often summarized in creeds like the Apostles' Creed [22].
: Defines what a specific religious community believes and how they differ from others [11].