Studie
6 And she sent for Barak, the son of Abinoam, from Kedesh-naphtali, and said to him, Has not the Lord, the God of Israel, given orders saying, Go and get your force into line in Mount Tabor, and take with you ten thousand men of the children of naphtali and of the children of Zebulun?
A host and an army come from the same Hebrew word and mean the same thing in Bible. Its meaning is closely tied to the need for battle.