Ko ngā rārangi poutū ka whakaaturia ki te mahere, e heke ana mai i te pito raki ki te pito tonga, e noho hāngai ana ki ngā ahopae. Ka whakamahia ngā ahopae me ngā ahopou hei tautohu pūwāhi ki te mahere.
The vertical lines on a map running from the north pole to the south pole, and are perpendicular to the lines of lattitude. Latitude and longitude are used to locate places on a map.