Definition model Folder 1 Concept-Relationship: Relationship Source = Line Items Role = $role Structural model Folder 4 $role = Statement of Operations Folder 2 Root Concept = Revenue Concept = Expenses [No Constraint] Concept = Profit $role = Balance Sheet Folder 3 Root Concept = Cash Concept = Fixed Assets [No Constraint] Concept = Assets Concept = Liabilities Concept = Other Assets Concept = Accounts Payable Concept = Loans Payable [No Constraint]