Direct pointing (n.) is Zen's way of passing on what speech cannot convey — the nonverbal channel without which awakening could never have been handed down.
Direct pointing (n.) answers a question about Buddhism with a remark about the weather — open demonstration that looks, to the uninitiated, either mundane or quite crazy.
Direct pointing (n.) fails completely if it requires or invites any conceptual comment.
Direct pointing (n.) is Zen's way of answering: asked how to enter the path, the master says, "Do you hear the stream? There is the way to enter."
Direct pointing (n.) was how early Ch'an taught: one who had seen into things simply showed it to one who had not, often by demonstration rather than explanation.