The writer speaks of Yahweh creating the earth and the heavens as if he were laying the foundation of a building. AT: "Yahweh created the earth ... made the heavens" (See: [[rc://en/ta/man/translate/figs-metaphor]])
In ancient thought, water existed under the earth. This phrase refers to Yahweh causing that water to come out of the earth and make the oceans and rivers exist. AT: "he caused the rivers to flow" or "he caused the oceans to exist" (See: [[rc://en/ta/man/translate/figs-explicit]])