Psychology of religion: Study of the psychological tendencies and predispositions associated with religious belief, activity, practice, expression and experience. [e]
Sociology of religion: The application of sociological insights and understandings to understanding the organization, institutions, beliefs and practices of organized religion. [e]
Theology: Discipline that engages in dialogue and reflection about God and religion. [e]
Trinity: A Christian concept that defines God as three distinct persons yet entirely one being. [e]
Evangelicalism: A historically recent collection of religious beliefs, practices, and traditions typified by an emphasis on evangelism, and by what adherents call a "personal experience" of conversion. [e]
Lutheranism: Protestant branch of Christianity, created in the Reformation of the 16th century out of the teachings of German theologian Martin Luther. [e]
Paul: Please do not use this term in your topic list, because there is no single article for it. Please substitute a more precise term. See Paul (disambiguation) for a list of available, more precise, topics. Please add a new usage if needed.