en_tn/isa/21/01.md

A declaration

"This is what Yahweh declares" or "This is Yahweh's message"

about the desert by the sea

This refers to the people who live in Babylon as being a desert, even though God has not made it into a desert yet. This event will certainly happen. Alternate translation: "about the people who live in a land that soon will be a desert" (See: rc://en/ta/man/jit/figs-metonymy and rc://en/ta/man/jit/figs-pastforfuture)

Like stormwinds sweeping through the Negev

Isaiah compares the army that will attack the people to a storm with strong winds. They will be quick and powerful. (See: rc://en/ta/man/jit/figs-simile)

from the wilderness

Here "wilderness" refers to the wilderness of Judea. (See: rc://en/ta/man/jit/figs-explicit)

from a terrible land

The army is from a people that cause great fear.