Ah, yes, I keep forgetting not all worlds have them. Elves are a species very similar to humans, enough that one might mistake the two at first glance. The most obvious difference is the ears.

[She takes her hand and flicks her hair back to expose one of her own pointed tips.]

There are, of course, numerous other differences, but if you see someone with ears like mine who otherwise looks completely human, you can probably assume they're an elf or a half-elf.