It specifies that the poem will be about a late spring snow.
Explanation:
This passage does not mention a full moon, cranes and toy boats floating in a stream, nor does it show the prince's thoughts about certain events.
The passage describes objects in nature but does not indicate the season, but the passage makes it clear that the poem will be on a late spring snow. This is written in the following excerpt: <em>" A poem, perhaps about the bare slopes of Mount Atu, and a lone climber struggling up the mountainside as a late spring snow began to cover his shoulders. "</em>
The author is trying to say that it's worthless to be classified as a citizen if you cannot vote, just as it is worthless to have a boat if you have no oars.