The Snap Markup app is a handy tool for making a variety of visual representations. You can draw on the image to annotate, or simply choose from a predefined set of elements.

You can customize the color of the drawing, choose the type of line, and set the thickness. The app also allows you to add text, draw shapes, and use a variety of different elements.

You can use Snap Markup in a number of different ways. You may use it for personal or professional purposes. For example, if you are a teacher, you can use it to provide a visual representation of a student's work to your students and parents.