Ranking systems are methods used to evaluate and order items, individuals, or entities based on specific criteria. These systems can be applied in various fields, such as sports, education, and online platforms. For example, in sports, teams are ranked based on their performance, while in education, students may be ranked according to their grades. Different ranking systems use various algorithms and metrics to determine positions. In online platforms, such as search engines, rankings are influenced by factors like relevance and user engagement. Overall, ranking systems help simplify comparisons and guide decisions in competitive environments.