What does 2 Kings 4:29 mean?

Elisha told Gehazi, 'Get ready, take my staff, and go. If you meet anyone, don't stop to greet them. If someone greets you, don't answer. Lay my staff on the boy's face.' 2 Kings 4:29 - Modern Text Bible

(Elisha acts quickly, sending Gehazi with his staff as a sign of urgency and focus, hoping for a miracle.)