So you're drawing- I'm going to draw the black box- Black box, okay. ... thing where you put something in and then it does something with it. The person who's using it doesn't know what's going on and then it outputs something else because that's my view of it in general, because I don't know like at a deep level what happens with it. Okay. You've heard of the word algorithm before? Yes. In what context, do you think? In computer science classes. Okay, because you're taking them, yeah. Then also videos and stuff on YouTube. Oh, okay.