We use visual metaphors a lot. They're a powerful way to make a point quickly and many easily lend themselves to fun, illustrative treatments. However, they can be tricky to work with. I recently had to call on past experience to get me out of a sticky metaphor dilemma.
The term “visual storytelling” is relatively new, but the concept has been around a long time. Today the term “visual storytelling” is typically used in the context of business communications, journalism, and entertainment, and is associated with a wide range of visual arts.