What is Son of Man?
Self-Designation of Jesus . . . Messianic in nature . . . "Son of Man" can also simply imply "human," as in "mortal".
What is the study of the nature or meaning of Jesus Christ.
Christology
What is Trinity?
The Christian God in three persons: Father, Son, and Holy Spirit, though still One God.
What is the reconciliation of God and humankind through Jesus the Christ.
Atonement
What is incarnation?
To be made in the flesh a deity, spirit, or abstract quality.
What is the common Roman practice of execution. The death of Jesus (and countless others) by nailing or binding to a cross.
Crucifixion
What is Original sin?
The tendency to sin innate in all human beings, held to be inherited from Adam in consequence of the Fall . . . The concept of Original Sin was developed in the writings of St. Augustine.
A simple story used to illustrate a moral or spiritual lesson, as told by Jesus in the Gospels.
Parable
What is Transfiguration?
Event reported in the New Testament when Jesus is transfigured and becomes radiant in glory upon a mountain.
What is theology concerned with death, judgment, and the final destiny of the soul and of humankind . . . The End Times!
Eschatology