"Right. Then this might help." Taylor fishes a card out of her pocket, written on another piece of plastic. "This is the alphabet, here. That's all the letters we're working with, in lower case, which is what you'll see most of the time, and upper case, which is for certain kinds of emphasis, kind of like a key change. And this..." She leans closer to show her the sentence at the bottom of the card, fingertip following the words. "Says 'The quick red fox jumps over the lazy brown dog.' It's the simplest sentence that uses all of the letters in English. So it's a good one to remember while you're learning."