Cognitive linguists emphasize that metaphors serve to aid the comprehension of one conceptual area—commonly an abstraction such as "lifetime", "theories" or "ideas"—by expressions that relate to another, a lot more familiar conceptual area—typically additional concrete, which include "journey", "buildings" or "food". In his book In Other Footwear: Music, Metaphor, Empathy, https://metafora65208.shotblogs.com/metafora-an-overview-48459182