Graphics in pen & paper RPGs

When you read a review of a video game, almost always there are comments about the graphics: How do the characters look, how are they animated, how do their surroundings look, and how do things like spell effects look. There are both artistic considerations to that, as well as technical ones, like how blurry a texture looks when viewed from close. In a pen & paper game like Dungeons & Dragons you would think there are no graphics. And in fact there are a lot of people talking about the

World of Warkraft...