Visualization can play a crucial role in understanding complex UPSC topics by aiding in comprehension and retention of information. Techniques such as mind maps or charts create visual representations of relationships between concepts, making it easier to grasp intricate ideas. This method helps in structuring information logically and improves recall during exams. Additionally, visualizing case studies or scenarios allows aspirants to analyze situations comprehensively and develop solutions effectively. Thus, visualization becomes a powerful tool for mastering challenging subjects.