UPSC aspirants often employ various visualization tools to enhance their comprehension and retention of information. Popular tools include mind maps, which allow for hierarchical organization of information and connections between concepts, and flowcharts that outline processes systematically. Infographics help condense vast amounts of information into digestible formats. Additionally, using flashcards for key terms and definitions aids in active recall during preparation. Digital tools like Apps for tracking progress and managing timelines can also assist in creating a more engaging study experience.