Six Directions of Reincarnation == 六道輪回
(1) Naraka, i.e. Hell(地獄)
(2) Presta, i.e. Hungry Ghost(餓鬼)
(3) Tiryagyoni, i.e. Animal(畜牲)
(4) Asura, i.e. Malevolent nature spirits(阿修羅)
(5) Manusya, i.e. Human Existence(人)
(6) Deva, i.e. Heavenly Existence(天,梵天)
Samsara == 輪回轉世
Sanskrit word meaning turning of the wheel or revolving. It refers to the transmigration in the Six Directions of Reincarnation.