Acts 6:1-2

Hebrew : a person descended from Heber; an ancient Jew; a Hebrew speaking Jew,any Jew, but particularly one who spoke the Hebrew language

Hellenist : people that speak Greek and follow Greek culture even though they are not necessarily Greek by race
(31° 46´, 35° 14´); (31° 46´, 35° 14´)

Jews : the people descended from Israel
(31° 46´, 35° 14´); (31° 46´, 35° 14´)