en_tn/psa/098/008.md

Let the rivers clap their hands, and let the mountains shout for joy

The psalmist speaks as if the rivers and mountains were people who could clap and shout. AT: "Let it be as though the rivers are clapping their hands and mountains were shouting for joy" (See: rc://en/ta/man/translate/figs-personification)

the world ... the nations

These phrases are metonyms for "the people in the world" and "the people who live in the nations." (See: rc://en/ta/man/translate/figs-metonymy)