'Ranks' in the Bible

So the Three Warriors broke through the Philistine ranks, drew some water from the Bethlehem well that was next to the city gate, and brought it back to David. But David refused to drink it, poured it out in the LORD's presence, and

These were the ranks of trustees assigned among the descendants of Korah and the sons of Merari.

for use by the ranks of priests and descendants of Levi, for all the work of service responsibilities in the Temple of the LORD, and for all of the utensils used in the work of the Temple of the LORD.

Now look! Here are the ranks of the priests and the descendants of Levi for the entire service of the Temple of God, and in all of the work there will be all types of volunteers who have skills for anything needed for the services. Furthermore, the officers and all of the people will be at your complete command."