Rhetor comes from the Greek word "rhetor", which means "speaker" or "orator". It refers to the art of effective communication, especially persuasive speaking or writing.
Therefore, "rhetorical" refers to anything related to or involving rhetoric, such as:
* Rhetorical devices: Techniques used in language to achieve a particular effect.
* Rhetorical questions: Questions asked for effect, not to elicit an answer.
* Rhetorical analysis: The study and interpretation of how language is used to persuade or inform.