The increases in assets resulting from the sale of a product or service (amounts earned)
The cost of assets consumed or services used in generating revenue. Advertising, cost of goods (inventory) sold to customers, paying employees/utilities/etc.
Obtaining resources or assets needed to run the business. Buildings, equipment, etc.
Borrowing creates liabilities (debts) owed to the creditors. Notes or Bonds payable, another liability created in operating businesses is accounts payable. Selling ownership shares creates equity owned by stockholders. Dividends are distributions of profit to owners of stock.
From sale of goods or services, interest received and dividends received.
Operating Activities Cash Inflow
The operating activities section of the cash flow statement broken out into cash from customers, cash paid to suppliers, etc.