I know... But they're the only clothes that I have from the Underground.

You don't know?

A photograph... is like a picture of people or things, taken by a camera.

[Oh... But you probably don't know what a camera is either, huh?] ...and a camera is kind of... like a little device that you can use to take photographs. You look through it, and then press a button down when you're ready to take your photo.