The world in a speculative fiction story should be extremely specific, as well. Don't use bland adjectives like pretty. (World-building is a great place to use similes or metaphors--again, they should be unique.) Don't use any generic nouns. For example in your story don't use 'a guitar', use 'a Fender Jag-Stang,' or whatever's appropriate. Also, don't explain, never explain.
I'll get more specific about the next exciting issue of Electric Spec (coming March 15, 2014) starting next week!