: The study of the church, including its purpose, rituals (like Baptism and Communion), and leadership structures [31].
: The study of "last things," including the afterlife , the end of the world, and the final judgment [18, 22]. Sources of Doctrine Doctrines are typically derived from several key sources: theological doctrine
: The study of Jesus Christ, focusing on his dual nature as both fully human and fully divine [23]. : The study of the church, including its
: Provides a framework for spiritual growth and ethical living [21]. : The study of the church