Have you ever needed to make notes on screen like a web page to then share with others. You might first take a screenshot and then edit it in some program or buy an app like TechSmith SnagIt. A simpler option would be to install the Web Paint extension in Chrome. When you click on the extension, it opens this panel
Then, you can type, draw, add arrows, and so on then take a screen capture and share with others, e.g.