He gathered — He removed all hindrances, and gave them all the means of fruitfulness. A tower — For the residence of the keepers.
Related Commentaries of Isaiah 5:2
Isaiah 5:2
2 And he fenceda it, and gathered out the stones thereof, and planted it with the choicest vine, and built a tower in the midst of it, and also made a winepress therein: and he looked that it should bring forth grapes, and it brought forth wild grapes.