A picture is worth a thousand words. A quote worth a thousand articles on this very topic. There is no better way to describe the importance of visual imagery when trying to purvey anything from an event to a simple meal. Visual imagery is the very heart and soul of entertainment and it is easy to see why.
People like to be able to see clearly what the author of a work had in mind when they created it. While an eloquent description of a meal can arouse the senses in many ways, it will always fail to arouse the sense of sight.