You may choose to discuss a combination of narrative structure, narrative viewpoint, setting, writing style and tone, imagery and figurative language as you make your argument. Audience: Teacher Purpose: To identify the language choices made by the author and demonstrate how these contribute to the effectiveness of the novel, to prove a thesis. Roles and relationships: You are the expert, writing for an audience which is familiar with both the novel and with the language choices which are made when constructing a text. Formal in tone as shaped by the purpose, audience, genre, subject matter, and medium.