Cash flow diagrams are like pictures that show how money moves in and out of different people or businesses. It can help you to track and plan your finances, or show how much money a business makes or spends. It looks like a big upside-down tree, with money coming in at the top and flowing out of the tree and into different places, like bills, new products, or investments. It helps you to think about how your money is used and to plan for the future.