Left: This is the "great picture," the photographer filled the frame with what he/she wanted to shoot. The girl in the photo is in the middle of composing a sentence, making for an interesting photo.
Left: This is the "not so great photo," there is a lot of extra space, and the girl photographed does not occupy much of the space, taking the focus off of her and making it easy to get distracted by other things in the room.
