A form is a three-dimensional figure — as opposed to a shape, which is two-dimensional, or flat. Visual artists use light and shadow effects to create the illusion of three-dimensional form. A strong sense of form can also be created by increasing contrast between highlights and shadow areas.
What Sells Best On Shutterstock?
Some types of photos that sell best are Portrait Photography, Food Photography, Landscapes (usually with people) and fine art photography (artsy).