what is sub directions ? Share with your friends Share 4 Umake Zaman Thoker answered this The main cardinal directions are East,west,North,South where as the North west,North East,South west,South East etc form the sub directions .The sub usually indicates secondary in rank. 7 View Full Answer Kaushiki Shyam answered this The directions other than NORTH , SOUTH , EAST and WEST are termed as sub-directions. They are-1)NORTH-EAST 2)NORTH-WEST 3)SOUTH-EAST 4)SOUTH-WEST 2