Dik – Direction, Pala – Guardian.
Each direction has a guardian.
Eight directions – Ashtadikpala.
Kubera – North, Yama – South, Indra – East, Varuna – West, Isha – Northeast, Agni – Southeast, Vayu – Northwest, Nirriti – Ssouthwest.
Ten directions (Dashadikpala) include above and below – Brahma watches above, Vishnu below.