So basically whats figurative language : Figurative language is the use of words in an unusual or imaginative manner. Often figurative language involves the use of a metaphor, a simile, personification, hyperbole, idiom, a euphemism, and pun.
The second one if correct u have a add A but a lot of people do not add the ''a school' because there lazy like us humans these days so we try to make words easier so we use the first one
