"Rivals" refers to individuals or groups that compete against each other in various contexts, such as sports, business, or academics. This competition can drive innovation and improvement, as each party strives to outperform the other. For example, in sports, teams like the New York Yankees and Boston Red Sox have a long-standing rivalry that enhances the excitement of their games. Rivalries can also exist in the business world, where companies like Coca-Cola and Pepsi compete for market share. These rivalries often lead to marketing campaigns and product innovations aimed at gaining an edge over the competition. Ultimately, rivals can motivate each other to achieve greater success.