
You can annotate photos, screenshots, PDFs, and in any app or video source using the built-in Annotation tool.

To open the Annotation toolbar, tap the Annotation
icon in the Assistive menu, then do any of the following:
to close the toolbar and exit Annotation mode.In the annotation toolbar, tap the pen or marker tool, then write or draw with your finger or one of the included touch pens. While drawing, do any of the following:
icon in the toolbar to change between black, blue, green, and red colors.
icon in the toolbar to change between yellow, orange, blue and green colors.To erase a mistake or delete all the annotations do one of the following:
icon to erase all of your annotations.