“The Lord, the ruler of all, is my stronghold; he will bring me safely on my way, safe as the hind whose feet echo already on the hills. (For the chief singer, to the harp’s music.)”
The picture here is of a hind – a female red deer – safely on a hillside, her feet sending echoes into the valley below. She is perfectly safe where she is. She is in her element, her stronghold; she has been safely brought to where she belongs. She will stay.