Here the metonym "voice of Yahweh" refers to what he says. Alternate translation: "to what Yahweh your God says" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Moses speaks of being important or being great as if it were being physically higher, as on a higher hill. Alternate translation: "make you more important than" or "make you greater than" (See: [[rc://en/ta/man/translate/figs-metaphor]])