Some translations set each line of poetry farher to the right than the rest of the text to make it easier to read. The ULB does this with the poetry in 2:2-22.
This is probably a reference to the "last days." This makes parts of this prophecy reference events near the end of this world. Most scholars expect these prophecies to be fulfilled by Jesus. (See: [[rc://en/tw/dict/bible/kt/lastday]], [[rc://en/tw/dict/bible/kt/prophet]] and [[rc://en/tw/dict/bible/kt/fulfill]])
##### Idolatry #####
While the first prophecy of Isaiah concerned the lack of justice in Judah, this chapter focuses on the presence of idolatry in Judah. (See: [[rc://en/tw/dict/bible/kt/justice]])