A dramatic transition unfolds as a new section of prophecy begins, acting as an official gateway to a fresh message [ביאור שטיינזלץ]. It bridges the earlier, harsh warnings of destruction with a lofty, universal vision of the future. Though it marks a new prophecy, it connects directly to what came before. After warning of disaster, the prophet now offers comfort, promising that Zion will be redeemed and achieve great heights [רד״ק, אבן עזרא]. This message is a direct prophetic statement aimed at the people [שד״ל, צאינה וראינה]. Furthermore, the Divine communication came to the prophet through a clear vision where explicit words were heard, rather than through a vague dream filled with symbols and parables [אברבנאל]. It involves both seeing the future and actively delivering that message to the audience [שד״ל].
A noticeable tension exists within this prophecy. The message is explicitly directed at the local residents of Judah and Jerusalem, yet the vision that immediately follows is entirely universal, describing all the nations of the earth flowing toward the mountain of God. The primary approach among commentators is that this grand vision of the future is actually a rhetorical tool meant to deliver a moral rebuke to the people of Judah living at that time. The prophet describes a future where all nations will abandon their idols and rush to serve God. This is meant to provoke a powerful realization among the Israelites: if the nations of the world will eventually recognize the truth and seek out the Torah, then the people of Judah and Jerusalem, who already have the Torah and the Temple among them, should certainly be walking in God's light right now.
Tragically, the prophet is horrified to see that his own people are doing the exact opposite, abandoning the ways of their ancestors and sinking into idolatry. Therefore, the uplifting vision of the nations serves merely as an introduction, quickly turning into a sharp critique of the Israelites' current spiritual state [מלבי״ם, אברבנאל, שד״ל]. Ultimately, the inclusion of the many nations in this vision is not the primary goal of the prophecy. Instead, it is meant to highlight the future greatness, elevation, and absolute centrality of Zion. Because of this, the prophecy remains fundamentally focused on the destiny of Judah and Jerusalem [אברבנאל].