'Line' in the Bible

A man of Benjamin ran from the battle line and came [to] Shiloh that same day, and his clothes [were] torn and earth [was] on his head.

And the man said to Eli, "I am the [one] who has come from the battle line! I have fled today from the battle line!" And he said, "{What exactly happened}, my son?"

David rose early in the morning and left the sheep with a keeper, and he took [the provisions] and went as Jesse had commanded him. He came to the encampment while the troops [were] going to the battle line, and they raised the war cry.

Israel and [the] Philistines drew up [in] battle lines, {one battle line against the other}.

David left the baggage [he had] with him in the {care} of the baggage keeper, ran to the battle line, and came and {asked how his brothers were doing}.

{When} the Philistine got up and came and drew near to meet David, David {ran quickly} to the battle line to meet the Philistine.