It's sort of like writing. You can be verbose and over-describe people, places and events colorfully, using fifty cent words, in minute detail; or you can speak simply and plainly, and allow your reader to use his or her imagination.
I could tell you all about this last picture, but the story you imagine might be better than the real one: the keeper threw a fish to a penguin, and Liam watched with interest.
Does this photo transport you back to another time?
Care to caption this picture for me?