How does the author, zadie smith, use literary device to express the theme of coping with emotional turmoil in the short story, "martha, martha?"

Smith uses omniscient narration and simple, direct and very discrete language that establish a strong exposure on how to deal with and live with emotional turmoil.

Explanation:

"Martha Martha" is a short story that features two women, in different stages of life, different ages and totally different lifestyles, but who have one thing in common, both are dealing with something of the past that causes a strong emotional turbulence in each one. However, each of them deals with it differently and tries to live their lives in the best way they can. To show this challenge, the author of the short story uses the omniscient narration that manages to show what the two women are thinking and doing, in addition to using a very direct and funny language to show this to the reader.