the Kaaba at Mecca
in Islam the goal is Jannah, to dwell with God in Paradise, through submission to God ("Islam" means the peace that comes from "surrendering" one's self to God) and by acts of charity and compassion, i.e., the Five Pillars of Islam
"sin" it act of forgetting to follow God's guidelines, not born with
clergy
orthodoxy
exclusivity: The People of the Book