I second that, I initially thought of a layered cake, but I was hungry and craving sweets at the time, so I blame that if the comparison doesn't hold.

But...ummm, yeah, I think Photoshop works too...I assume if you do something in one layer it might affect the others?

[Al was going to try to bullshit his way, but realized halfway in his sentence that, just let the girl explain the tech stuff and if it works it works.

Also dude, when the hell aren't you feeling snacky?]