questions about ungifted (very small details you probably forgot about)

Hi!

So I read Ungifted again for the (I think) tenth time! Maybe it was a bit more, though, I just love that book! Anyways, I have two, very minor questions about some things the characters say.

First thing, on page 52, Donovan is talking about things he learned after the whole “cheating off of Abigail” fails. The last thing he learns is that “zero is a four-letter word.” What did he think zero was spelled as? Or was it a joke he made in his head, haha! My friends joke about that line sometimes. 

And the other thing, on page 35, Chloe describes Donovan’s eyes as “black fringed”, what does that mean?

Also, how would you describe what the Daniels look like? I have ideas for all the characters based on your descriptions in the book (Donovan,  Noah, Chloe, Abigail). And also just made designs out of nowhere for very minor characters (Jacey, Latrell, Kevin, Heather, and Dierdre). I was just wondering if you had any ideas for them! The only thing we get is the one Daniel is taller (Chloe, Ungifted) and they look practically identical (Noah, Supergifted).

Thank you!! :3