'Sides of the north,' as in Ezekiel 38:6, means perverted doctrinal ideas. 'Sides' signify the interior or middle between the inmost and the extremes. 'Sides of the earth,' as in Jeremiah 6:22, means what is remote from goods. 'Sides,' as in Numbers 33:55, mean aspects of charity, and as a result, goods.

(Reference: Arcana Coelestia 10185)