Title Without a Paper

A classic from Hanno: Using one situation as a model of explaining another situation is called metaphor. If you were discussing the nature of metaphors and used another linguistic system as a model to illustrate how metaphors work, it would be a metaphorical explanation of metaphor, or a meta-metaphor. If you could explain what role those explanations have in spoken language, you could write the paper...

What's a meta-metaphor for?