Psalms 20:1

David : a son of Jesse of Judah; king of Israel,son of Jesse of Judah; king of Israel

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

Psalms 46:7

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

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