1.Use of comparative structure: "as they can be either casual or formal" This sentence uses a comparative structure to highlight the versatility of bracelets, showing the candidate's ability to use complex sentence structures.
2.Use of relative clauses: "charms that represent personal milestones or interests" Here, "that represent personal milestones or interests" is a relative clause that provides additional information about the charms, enhancing the richness of the sentence.