Cos'è reveal? Cos'è reveal? To make known (something concealed or secret): revealed a confidence. To bring to view; show.To make known by supernatural or divine means: "For the wrath of God is revealed from heaven” ( Romans 1:18). The part of the side of a window or door opening that is between the outer surface of a wall and the window or door frame.The whole side of such an opening; the jamb.The framework of a motor vehicle window.