Verses 1-16: Duties of the Kohathites. These verses specify the age range for service and detail the careful covering and handling of the most holy objects by Aaron and his sons, with the Kohathites responsible only for carrying the covered items without touching them directly.
Verses 17-20: Instructions to Protect the Kohathites. God commands Moses and Aaron not to cut off the Kohathites but to ensure they live by following proper procedures, emphasizing the danger of improper handling of holy things.
Verses 21-28: Duties of the Gershonites. This section assigns the Gershonites the responsibility of carrying the tabernacle curtains, coverings, and related equipment, under the supervision of Ithamar.
Verses 29-33: Duties of the Merarites. The Merarites are charged with transporting the structural components of the tabernacle such as boards, bars, pillars, and sockets, also under Ithamar’s oversight.
Verses 34-49: Census and Summary of Levite Service. Moses, Aaron, and the leaders number the Levites from thirty to fifty years old who are able to serve, totaling 8,580 men, confirming the organization and readiness of the Levites for their sacred duties.