The words "Israel" and "Amalek" represent the fighters from those groups. AT: "the Israelite fighters were winning ... the Amalekite fighters would begin to win" (See: [[rc://en/ta/man/translate/figs-synecdoche]])
The author writes of Moses' arms becoming tired as if his hands became heavy. AT: "arms became tired" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# with the sword
The sword represents battle. AT: "in battle" (See: [[rc://en/ta/man/translate/figs-metonymy]])