Answer
Wit and irony serve as defining features of Erich Kästner's writing style. His sharp wit and satirical humor enable him to critique social and political issues with a touch of playful sarcasm. Kästner's ability to infuse his writing with irony allows him to convey deeper meanings and perspectives, often challenging societal norms and conventions. This distinct style resonates with readers, making Kästner's works both entertaining and thought-provoking.