The article presents a new way to figure out which nodes are most important in a network, like a group of students' friendships. They looked at different ways to measure importance, like how many connections a node has or how close it is to others. By using a special analysis method, they found six main ways to measure importance in the student network. Surprisingly, some less common measures might be better for studying student friendships than the usual ones. This new method can be used for other types of networks too.