Psalms 52

Ahimelech : priest (Eli Ithamar) of Nob, whom Saul killed; Ahimelech I,a priest, Ahimelech II; son of Abiathar son of Ahimelech I,a man who was part of David's fugitive band; a Hittite

Doeg : a man from Edom who was chief of Saul's herdsmen

Edomite : resident(s) of the region of Edom
(34° 50´, 39° 7´); (33° 12´, 36° 30´); (35° 5´, 42° 0´); (30° 44´, 35° 36´); (32° 32´, 44° 25´); (33° 31´, 36° 18´)

Maskil : a literary or musical term

Saul : the sixth king of Edom,son of Simeon and a Canaanite woman,son of Uzziah of Kohath son of Levi

Selah : a musical notation for crescendo or emphasis by action (IBD)
(30° 19´, 35° 27´)