It demonstrates the results of an off camera flash positioned at several spots within 360 degrees around a human subject. On the horizontal Axis is marked the location of the flash within the circle. On the vertical axis is the position of the flash head, specifically whether it is tilted 45 degrees up , down, or flat (parallel) to the subjects' spine.

Last but certainly not least, an important piece of post processing is the crop tool. Cropping is essentially the resizing or reframing of your original image. This is done for two reasons mostly. Either you want to 1. Remove distracing, or unwanted elements from your picture. Or 2. Resize your image for printing. Camera images are often sized in a 3:2 aspect ratio which means one