RobH_en_tn/hab/02/03.md

the vision ... will finally speak

Yahweh speaks of the events in the vision happening as if the vision were a person who speaks. Alternate translation: "the vision ... will finally happen" or "the vision ... will finally come true" (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-personification)

Though it delays, wait for it. For it will surely come and will not tarry

Yahweh speaks of the events of the vision taking a long time to happen as if the vision were a person who does not arrive soon at his destination. (See: rc://en/ta/man/translate/figs-metaphor and rc://en/ta/man/translate/figs-personification)

will not tarry

Possible meanings are 1) "will not be late" or 2) "will not come slowly"