Which literary device does Jane Austen use to highlight her characters' traits in Pride and Prejudice?

Mood

Dialogue

Detailed Setting

Omniscient Narration

Jane Austen uses Omniscient Narration to highlight her characters' traits in Pride and Prejudice. The book is generally narrated by the third person or as Elizabeth. But it allows the reader to study the characters by what they do, what others say about their endeavors and how they act in the presence of the other characters.