This document displays relationships between SAP database tables related to financial accounting (FI), materials management (MM), and master data. Key FI tables include BKPF, BSEG, BSIK, and BSAD for accounting documents and KNA1, LFA1, and MARA for master data. Key MM tables include EKKO, EKPO, and MSEG for purchasing documents and MKPF and MSE for goods receipts. The document provides table mappings and descriptions to understand how different business processes and master data are linked in SAP.