Jamieson, Fausset and Brown on Judges 4:6

6. she sent and called Barak--by virtue of her official authority as judge.

Kedesh-naphtali--situated on an eminence, little north of the Sea of Galilee, and so called to distinguish it from another Kedesh in Issachar.

Hath not the Lord God of Israel commanded?--a Hebrew form of making an emphatic communication.

Go and draw toward mount Tabor--an isolated mountain of Galilee, northeast corner of the plain of Esdraelon. It was a convenient place of rendezvous, and the enlistment is not to be considered as limited to ten thousand, though a smaller force would have been inadequate.