Cognitive linguists emphasize that metaphors serve to aid the idea of a single conceptual area—typically an abstraction for example "life", "theories" or "Strategies"—through expressions that relate to another, far more familiar conceptual domain—typically far more concrete, such as "journey", "buildings" or "foodstuff". In his e book In Other Sneakers: Music, https://metafora32974.wikiconversation.com/7242125/metafora_an_overview