This diagram is a Y-shaped matrix. In a Y-shaped matrix, all three lists present are related to each other and exist in a circular flow. Here group A, group B, and group C are connected and related to each other. This matrix chart is used when three closely related lists are to be compared. Due to this chart being circular, all elements are interconnected. This example shows the relationships between customer requirements, internal process metrics, and the departments involved. The different symbols show the strength of the relationships: primary relationships, such as the product availability and production capacity; secondary relationships, such as the link between purchasing and inventory levels; minor relationships, such as the distribution department’s responsibility for order lead time; and no relationship, such as between the purchasing department and production capacity. For more examples, please check out our edrawMax template gallery.