This section of the statement is associated with the Current Assets and Current Liabilities sections of the Balance Sheet, as well as the Revenue and Expenses section of the Income Statement. Perhaps the most important line of the cash flow statement is the Net Cash Flow from Operations. Operating activities make up the day-to-day business, like selling products, purchasing inventory, paying wages, and paying operating expenses. Cash Flow Statement Essentials Operating Activities Update : You can now try the cash flow template in which uses a set of categories based on common public stock financial statements.