World Wide Study Bible
a Bible passage
The Lord is my rock, my fortress, and my deliverer,
my God, my rock in whom I take refuge,
my shield, and the horn of my salvation, my stronghold.
2, 3. The various terms used describe God as an object of the most implicit and reliable trust.
rock—literally, "a cleft rock," for concealment.
strength—a firm, immovable rock.
tower—literally, "high place," beyond reach of danger.