Which of the following best describes 'imagery'?

Imagery is best described as a vivid description that appeals to the senses. It involves the use of descriptive language that paints mental pictures for the reader, invoking sensations such as sight, sound, taste, touch, and smell. This sensory engagement enhances the reader's experience by making the writing more relatable and immersive. When an author uses imagery effectively, it can evoke emotions and create a specific atmosphere or mood within the text.

The other options describe different concepts that do not accurately capture the essence of imagery. A rough outline or general summary pertains to a broad overview of a piece, lacking the specific sensory details that define imagery. A recurring theme relates more to the underlying message or concept constant throughout a literary work rather than the sensory details that imagery focuses on. Lastly, an emotional response from the audience is a result of various literary techniques, including imagery, but it does not define what imagery itself is. Hence, the emphasis on vivid sensory descriptions in choice B encapsulates the true nature of imagery.