Ezekiel 38:15

¹⁵ You shall come from your place out of the uttermost parts of the north, you, and many peoples with you, all of them riding on horses, a great company and a mighty army;

Wall, rampart, gates, and bars

In Lamentations 2:8-9, the 'wall,' 'rampart,' 'gates,' and 'bars' signify doctrines.