The document discusses frequently asked questions in SAP FICO interviews. It defines key concepts like chart of accounts, account groups, posting keys, and business areas. It explains that the chart of accounts is the top-level financial structure and contains all defined GL accounts. Account groups determine the fields configured in GL master records and control account number ranges. Posting keys control the line item debit and credit postings in GL entries. Business areas represent organizational units for external accounting and segment reporting.