Depth of Field is the distance between the nearest and farthest points in a scene that appear acceptably sharp and in focus. A camera will focus on a certain point. The further away from that point, in either direction, the blurrier the image becomes.
Depth, Clarity and Texture
Texture is difficult to show in a photograph, however focus stacking allows you to go further than everyone else and deliver depth, clarity and texture in your images like never before.