Perhaps it was Ralph Waldo Emerson who said it best: “Condense some daily experience into a glowing symbol, and an audience is electrified.”

“Something is happening. We are becoming a visually mediated society. For many, understanding of the world is being accomplished, not through words, but by reading images.”
—Paul Martin Lester, “Syntactic Theory of Visual Communication”

The connection between seeing and remembering:
Why do people remember what they see so much more readily than what they hear? One recent article on the subject describes the evidently limitless capacity of long-term memory to store concepts and then points to studies that seem to indicate that “Pictures have a direct route to long-term memory, each image storing its own information as a coherent ‘chunk’ or concept.”5 If this is so, then it follows that the more visual content in a presentation, the more memorable the information will be over the long term.  (Full Article Here)