Worship Elements: Communion: Sacrifices (Leviticus 7)

Moses lays out the expectations for the sacrificial system with Israel. Moses communicates essential points of this sacrificial system from Leviticus 7.  This chapter teaches us that there are feasts anyone can eat, other feasts only the priests, and then there are offerings that are not eaten at all by the priests.  Why does the Lord have some meals with his people?  Why does the Lord have some meals with the priests?  What does any of this have to do with the Lord’s Supper?