What does Ezekiel 43:18 mean?

Then he said to me, 'Son of man, this is what the Lord God says: These are the rules for the altar when it’s built, for offering burnt sacrifices and sprinkling blood on it. Ezekiel 43:18 - Modern Text Bible

(God gives Ezekiel instructions for how the altar should be used once it’s built, focusing on sacrifices and rituals.)