5. Whats the best explanation of how metaphors work?

What are the most important and distinctive features of metaphors? In your view, what is the most promising way of explaining the distinctive power of metaphors? Are there important challenges to your view?

1. use all additional materials
2. in-text citation with page numbers
3. devote about one third to one half of the essay to explaining the position youll be addressing, and one half to evaluation of that theory