Tone and Texture
This specifically applies to drawings more than photography, but tone and texture are very important. Tone refers to shading of light and dark on an object and texture is the visual and tactile surface characteristics of an object.
How to Add Warmth, Color & Texture to Your Advertisements
“…A powerful agent is the right word…” – Mark Twain
And what true words those are! Your marketing efforts have the ability to succeed…or to fail…based on the words you choose to represent your products, services, and yourself in your ads.