Here’s a great little article from a blog called Space Beyond Reality.
In it, the reviewer points out what makes Dungeon World so great and liberating as a game system compared to, say, D&D.
My favorite part:
…you can do virtually everything you wish if it follows the fiction. If your action triggers a move, you roll the dice. If it doesn’t you and the GM just narrate what happens. You can bring everything into combat as long as it is logical in the game world.