Trespass Offering - Payment of a Debt
Christ died on account of our trepasses (Rom 4:25; 5:15)

Sin Offering - Punishment for Sin
Christ died on account of the sin of the world (John 1:29)

Peace Offering - Pardon for Sin
Christ died to bring us to God (Col 1:20-22)

Meal Offering - Perfection of the Lord
Christ died as a perfect man (2 Cor 5:21, 1 John 3:5, 1 Pet 2:22-24)

Burnt Offering - Preciousness of the Lord
Christ died in devotion to the Father (Eph 5:2)

Read Part 1, Part 2, Part 3, Part 4.