Can someone give me a definition of Hyperbole in their own words?

The following question refers to the vocabulary from “starfish” and “in just” a theme is the central idea of a work true false

Me read the letter. dear aunt mary, you for the wonderful painting. you are so talented! i was thrilled that you chose to paint horses. you must have remembered that i was crazy about horses when i was a little kid—and i still love them. i have hung the painting in my room so that i can see it every morning when i wake up. your loving niece, celia what makes this letter appropriate for its intended audience? it is written from the third-person point of view. it is concise and impersonal. its sentence structure is varied. its language is informal.

Truth is one that’s been valid for centuries.