Final answer:
Sarcasm and satire are used by writers like Charles Dickens and Jonathan Swift to entertain and engage readers while providing criticism and prompting reflection on serious issues. These rhetorical devices must be balanced to avoid overshadowing the message.
Step-by-step explanation:
Sarcasm is a rhetorical device often used to convey humor or criticism through irony or exaggeration. It is not limited to but is frequently found in the realm of satire, which seeks to expose and ridicule the flaws of society, individuals, or institutions. Familiarity with sarcasm and satire is valuable for understanding rhetoric and analyzing texts, as it enables us to appreciate the nuances and intended messages behind the words. Famous authors such as Charles Dickens and Jonathan Swift adeptly utilized both tools in their works. Dickens often highlighted the comic absurdities of certain characters, offering a subtle critique, whereas Swift's Gulliver's Travels presented biting satire to provoke thoughtfulness amid entertainment. The effectiveness of sarcasm and satire rests in their power to induce reflections on deeper themes while maintaining reader engagement through humor. A writer must balance these elements skillfully to ensure their serious message does not become overshadowed by comic relief.