Abstract: A credit navigation system is provided for navigating through functions implemented by a credit decision engine. The credit navigation system comprises a decision navigation engine, the decision navigation engine implementing a main navigator module for displaying a credit decision navigator window. The credit decision navigator window may include a credit navigator tree viewer for displaying selectable nodes related to at least one selected segment and at least one selected inbound event, wherein the nodes include decision functions performed for the at least one selected segment and the at least one selected inbound event. The credit decision navigator window may further include at least one viewing pane for viewing parameters related to a selected node on the credit navigator tree viewer.