Here David speaks of Yahweh extending the area that the king rules as holding out his scepter. AT: "Yahweh will extend the area over which you powerfully rule" (See: [[rc://en/ta/man/translate/figs-explicit]])
David describes the dew as a baby to whom the dawn gives birth. AT: "in the morning ... like the dew" (See: [[rc://en/ta/man/translate/figs-personification]])