The platform provides a drawing tool inside the ebook reader. You can click on the drawing tool icon to select different drawing tool option-  pen, highlighter, eraser as per your need. 1. Pen - You can scribble freehand or take notes using the pen. You can also personalize the color of the pen to suit your preference by using the color pallet options in the color pallet menu. Click on the color to make your selection.2. Eraser- Use the eraser icon to erase the drawing on the page.You can either use the erase drage option, if you want to erase a selected area.You can use the erase all option, if you want to erase all the drawing from the page.3. Highlighter - You can highlight a text or a phrase using the highlight option. Click here to learn more about highlight feature.