Clarity of thought is crucial for better performance in writing for UPSC as it enables candidates to present their ideas in a coherent and logical manner. A clear structure enhances the readability of essays and answers, allowing examiners to easily follow arguments. Furthermore, clarity fosters more precise and concise communication, aiding in effectively conveying ideas. This reduces the risk of misunderstandings and enhances the overall persuasive power of the writing. Candidates with clear thoughts can also better manage their time during the exam, ensuring all parts of the question are comprehensively addressed.