Some translations set each line of poetry further to the right than the rest of the text to make it easier to read. The ULB does this with the poetry in 9:2, 5-6, and 11-12.
This chapter explains that there is one thing that awaits all people: judgment. When people die, they will all face Yahweh's judgment. (See: [[rc://en/tw/dict/bible/kt/judge]])