We see everything from the narrator's point of view, so exposition about the world is limited to what impinges directly on him and the story he's telling. Considering how old the world is, we learn very little about its history, which I think is a good thing.
Whenever I get distracted or bored, my eyes wander over to that chalkboard and I read the words. Some of them grow on me, and others annoy me. I attack the latter with eraser and chalk, and keep nudging at them until I like the way they look and sound. Others never make the cut at all and simply get erased. Perhaps one day I will sell these on eBay to RPG players who need names for characters or alien races.
I think that this vein is close to being mined out already, but I'll say that my knowledge of and talent for linguistics are quite limited and I'm not aware of being a hell of a lot more interested in that topic than I am in others.
Having a persistent nature is part of being human. Otherwise we wouldn't be able to speak of knowing another person, or loving them, or being their friend or enemy or rival.
