What does major theme mean?

Do anyone knows whether the comforter that Jesus Christ mentioned has come or is yet to come? Can a man undergo sex-reassignment surgery to become a woman so he can become a nun? What was the home town of the twelve disciples of Jesus? What significance do the gifts of gold, frankincense, and myrrh hold in the biblical story of the birth of Jesus? What could be the conflict between Hinduism and Islam? When and how did Mother Teresa die? When applied to an edition of the Bible text what do the initials RSV stand for? How many sons does Robert Baratheon have? Can the truth be known? What is the significance of Islam in the context of global religious beliefs and practices? What is good argument according to Powell that all 4 Gospels were written prior to 70 AD? If you're a good person but an atheist do you go to hell? How did Jonathan warn David to flee from Saul? What is the first book in the New Testament? What was mecca like in the time of Muhammad? Who was Hannah son in the Old Testament? What did the Egyptians do with heart for the afterlife? Is david guetta Jewish? What did Christians believe? Is vatsa bhargava an independent gotra and how is it different from vatsa gotra and bhargava gotra?