Gestalts last principle is known as figure and ground. S form or shape is usually known as figure while the surrounding are is known as ground. If you just look at this picture you could see a skull's head with the two eyes. If you look at it cllosely, you would see a girl looking in the mirror seeing her reflection. You can also see that she is sitting at her dressor and that there is a candle in the middle that makes it look like the school had a nose.