Please, help me to identify a an element of style in Chopin's quot;Story of an Hourquot; and discuss ways in which that element of style is unique

Please, help me to identify a an element of style in Chopin's "Story of an Hour" and discuss ways in which that element of style is unique to this writer; how it is used in this particular work; or you may also note similarities of style between this and other works by this writer.