"It would appear that they would be to indicate position in a book of some sort. Perhaps the 107th work in the fifth section of the third volume? However, not having any experience with the work, or certain of the concepts within, I cannot be certain that that is correct. I am, in fact, uncertain of what the usage of the set form is, though it is aesthetically pleasing for some reason."
He's an alien. He doesn't know Shakespeare. He also doesn't get poetry, as the Tyr-whole doesn't go in for entertainment.