Who knows the definition of metaphor in linguistics?

Metaphor is the simultaneous appearance of ontology and vehicle, and the relationship between them is consistent in form. It is said that A (ontology) is (metaphor) B (vehicle). Metaphor is often used to express judgment words, such as yes, success, success and change. Metaphor is also called metaphor. What touching pages and pages! This is the flower of human thinking. (Xu Chi Goldbach conjectures) She is a night pearl, which radiates brilliant light in the dark night; Death can't destroy her, she is the sun, leaving the horizon, but shining in the sky! (Ray Yan Shu, "Grass is Singing") ③ Ten fingers soaked in blood are swollen and become big bear paws. (Yang Mo's Song of Youth) At the moment, Chang 'an Avenue has become a noisy ocean. (Yuan Ying's "Chang 'an Avenue in October")