Four Sides to A Frame

It follows, and this is worth noting, that the photographer decides where to place each of those four sides with respect to the subject of the photograph. That decision can be made consciously and purposefully. Or it can be made unconsciously, by default. No matter how the decision is made, it can have a huge effect on the impact the image has on the viewer.

Photographer, Dave Barr, on the proper framing of iPhone photographs.