'Formation' in the Bible

All these warriors, lined up in battle formation, came to Hebron fully determined to make David king over all Israel. All the rest of Israel was also of one mind to make David king.

The Ammonites marched out and lined up in battle formation at the entrance of the city while the kings who had come were in the field by themselves.

When Joab saw that there was a battle line in front of him and another behind him, he chose some men out of all the elite troops of Israel and lined up in battle formation to engage the Arameans.

He placed the rest of the forces under the command of his brother Abishai, and they lined up in battle formation to engage the Ammonites.

When this was reported to David, he gathered all Israel and crossed the Jordan. He came up to the Arameans and lined up in battle formation against them. When David lined up to engage them in battle, they fought against him.