What does 1 Samuel 9:27 mean?

As they were leaving the edge of town, Samuel said to Saul, 'Tell your servant to go on ahead.' The servant left, and Samuel said, 'Stay here for a moment. I have a message from God for you.' 1 Samuel 9:27 - Modern Text Bible

(Samuel wants to speak to Saul alone, setting up a private moment where Saul will hear God’s message for him.)