Cash flow statement
This is accessible via Menu > Bookkeeping > Financial statements. The cash flow statement helps you understand the in-flow and out-flow of money across your bank accounts over a period of time. It is essentially a ledger of your transactions over a period of time.

Image - Example cashflow statement
This is accessible via Menu > Bookkeeping > Financial statements. The income statement is a profit and loss statement. It shows you your revenue, cost of goods sold, expenses and profit/loss, over any period of time.

Image - Example income statement
This is accessible via Menu > Bookkeeping > Balance sheet. The balance sheet is a snapshot of your assets, liabilities and equity, up till a certain date.

Image - Example balance sheet