Cognitive linguists emphasize that metaphors serve to facilitate the knowledge of a single conceptual domain—typically an abstraction such as "life", "theories" or "Thoughts"—via expressions that relate to another, much more acquainted conceptual domain—usually extra concrete, which include "journey", "structures" or "food items". There are plenty of popular examples of metaphors https://metafora08642.tokka-blog.com/34680740/the-definitive-guide-to-metafora