This verse lists the descendants of Kohath, a Levitical clan responsible for the service of the tabernacle. It highlights the organization and division of duties among the Levites, emphasizing the importance of order and structure in worship. By detailing the specific roles assigned to each family within the tribe of Levi, this verse underscores the meticulous planning and execution required for the proper functioning of the tabernacle and later the temple. It serves as a reminder of the significance of every individual's contribution to the collective worship of God.