What are CMS navigation nodes used for? Note: There are 2 correct Answer to this question

What are CMS navigation nodes used for? Note: There are 2 correct Answer to this question
A . To provide a hierarchical structure among 828 business units and cost centers
B. To provide links used in the checkout navigation page flow
C. To configure links used in the navigation bar
D. To configure links used in the My Account menu

Answer: A,C