Kings: Approached with Greatest Reverence

After that, David got up, went out of the cave, and called out to Saul, “My lord the king!” When Saul looked behind him, David bowed facedown in reverence

Mephibosheth bowed down and said, “What is your servant, that you should show regard for a dead dog like me?”

Joab fell facedown in homage and blessed the king. “Today,” said Joab, “your servant knows that he has found favor in your eyes, my lord the king, because the king has granted his request.”

So the king was told, “Nathan the prophet is here.” And Nathan went in and bowed facedown before the king.