Which description best explains 'diction' as a literary device?

The description that captures the essence of 'diction' as a literary device is that it refers to a choice of words that conveys a specific character's voice. Diction involves the selection of vocabulary and style that authors choose to express ideas or depict characters. It is not just about individual words but also about how these word choices reflect a character's emotions, background, or personality. This specific usage can set the tone of a piece, reveal character traits, and enhance the overall voice of a narrative.

In literature, diction plays a crucial role in conveying meaning and evoking emotions, allowing readers to connect more deeply with characters. It shapes our understanding of dialogue and narration, contributing to the authenticity and depth of the text. This choice of words can vary from formal to colloquial, influenced by factors such as the setting, the audience, or the character's social status, ultimately helping to create a vivid portrayal of characters within a story.