Psalms 84

Baca : a valley; probably figurative: weeping

Gittith : a tune name

Jacob : the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation

Korah : a man who led a rebellion against Moses and Aaron.,son of Esau and Oholibamah,son of Eliphaz son of Esau,son of Izhar son of Kohath son of Levi,son of Hebron of Judah,son of Izhar (Amminadab) son of Kohath son of Levi

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

Zion : one of the hills on which Jerusalem was built; the temple area; the city of Jerusalem; God's people,a town and citidel; an ancient part of Jerusalem
(31° 46´, 35° 14´)