Line formation refers to the arrangement of individuals or objects in a straight line. This concept is commonly used in various contexts, such as military drills, parades, and sports. In these scenarios, participants align themselves to create an organized and efficient structure, facilitating movement and communication. In nature, line formation can also be observed in animal behavior, such as when birds fly in a V-shape during migration. This formation helps reduce wind resistance and conserve energy. Understanding line formation is essential in both human activities and ecological studies, as it highlights the importance of organization and teamwork.