Repin is a social media feature that allows users to share or save content from others' profiles to their own. This function is commonly found on platforms like Pinterest, where users can collect and organize images, articles, and ideas that inspire them. By repinning, users can create personalized boards that reflect their interests and preferences. The act of repinning helps to spread content across the platform, increasing visibility for the original creator. It fosters a sense of community, as users can discover new ideas and connect with others who share similar tastes. Overall, repinning enhances the collaborative nature of social media.