A synopsis is a brief biography of the bookbifu know what u mean hopebit helps
An author uses repetitive use of "s" sound to help the reader understand the text better. It also adds rhythm which can help the structure of the author's text.
Just watch this video it will help https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-manipulating-expressions/v/combining-like-terms-and-the-distributive-property