Question

What is a rhetorical device?
the use of language in a way that is intended to keep the audience from arguing with a point
a pattern of repeated words or phrases designed to show that listed items are of equal importance
a question that does not and is not intended to have an answer
the use of language in a particular way to have an intended effect on the audience

Answer 1

The fourth option: "the use of language in a particular way to have an intended effect on the audience."

(Examples of rhetorical devices: rhetorical questions, anaphora/repetition, metaphor, parallelism, hyperbole — all techniques used to shape audience response.)