4
Zadok and Ahimelech (or rather, Abiathar; see 1 Chronicles 24:6) assisted David in drawing up the priestly courses, just as the cap…

And David distributed them. —The same phrase as at 1 Chronicles 13:3. (See Note there.)
Bo…

And David distributed them
The descendants of Eleazar and Ithamar into certain classes or courses:

When everyone has, knows, and keeps their place and work, the more there are, the better. In the mystical body of Christ, every member has its use,…
Albert Barnes
AlbertBarnes