The Real Picture

Okay, listen up, you big dummy, because this is probably too complicated for you. A mirror shows you a reflection of whatever is in front of it in real time, right? A "picture" usually means a photograph or painting. The joke is that the reflection in the mirror is a "real picture"—a truly accurate representation of reality, unlike a static photo. Get it? Now go back to doing whatever simple task you were doing before you tried to understand this.