Intersection Matrices are used to quickly and easily manage, updated, and change the relationships between two sets of work items.
By hosting one set of requirements on the row, and another set on the column, teams can easily understand the relationships these sets of requirements currently have.
The Intersection Matrix allows you to easily update the relationships between two work items by adding a relationship where they intersect.
This will allow you to increase coverage Requirements and their Test Cases, identify orphaned requirements and more.