"I - hm. I can't always do that sort of thing on purpose. Let's see." Elspeth closes her eyes. "The name Joker was chosen for reasons and in a way that are about the core features of the template in a way that none of the other names on offer were. If you had to symbolize Bells with a picture, symbolize and not just refer, you wouldn't do it with a bell. You'd do it with a pen, maybe, or a crown or with some culturally appropriate marker of self-knowledge or mental opacity - Bell is a sound where Joker is a meaning - Angela, you might not have the background for this, but in a deck of cards as used on standard Earths there's a pair of traditionally wild cards called jokers, in the deck but not part of it for most conventional games." Elspeth opens her eyes again. "How'd I do?"