This idiom is used to announce that God gave messages to Joel. AT: "the message Yahweh gave to Joel" or "the message Yahweh spoke to Joel" (See: [[rc://en/ta/man/translate/figs-idiom]])
# Yahweh
This is the name of God that he revealed to his people in the Old Testament. See the translationWord page about Yahweh concerning how to translate this.