Cognitive linguists emphasize that metaphors serve to aid the understanding of a person conceptual area—commonly an abstraction for instance "daily life", "theories" or "Tips"—through expressions that relate to another, much more common conceptual area—commonly far more concrete, for instance "journey", "structures" or "food stuff". In his ebook In Other Sneakers: https://metafora98641.wikicorrespondence.com/4866874/an_unbiased_view_of_metafora