The word "Gleanings" here represents the people who will still live in Israel. AT: "But there will be a few people left in Israel" (See: [[rc://en/ta/man/translate/figs-metaphor]])
People harvested olive trees by shaking them so that the olives would fall out. AT: "like the few olives that remain on the olive trees after people harvest them" (See: [[rc://en/ta/man/translate/figs-simile]])
Yahweh speaks of himself by name to express the certainty of what he is declaring. AT: "this is what Yahweh, the God of Israel, has declared" or "this is what I, Yahweh, the God of Israel, have declared" (See: [[rc://en/ta/man/translate/figs-123person]])