Start Level 1 Node: SAP RetailSAP RetailEnd Level 1 Node: SAP Retail
   Start Level 2 Node: Basic PrinciplesBasic PrinciplesEnd Level 2 Node: Basic Principles
   Start Level 2 Node: Master DataMaster DataEnd Level 2 Node: Master Data
   Start Level 2 Node: Strategic SalesStrategic SalesEnd Level 2 Node: Strategic Sales
   Start Level 2 Node: PurchasingPurchasingEnd Level 2 Node: Purchasing
   Start Level 2 Node: Merchandise LogisticsMerchandise LogisticsEnd Level 2 Node: Merchandise Logistics
   Start Level 2 Node: SalesSalesEnd Level 2 Node: Sales
   Start Level 2 Node: Distributed Data ProcessingDistributed Data ProcessingEnd Level 2 Node: Distributed Data Processing
   Start Level 2 Node: Data WarehousingData WarehousingEnd Level 2 Node: Data Warehousing
   Start Level 2 Node: Merchandise and Assortment PlanningMerchandise and Assortment PlanningEnd Level 2 Node: Merchandise and Assortment Planning
   Start Level 2 Node: Relevant Cross-Application DocumentationRelevant Cross-Application DocumentationEnd Level 2 Node: Relevant Cross-Application Documentation