You can create general comments in the library or the workflow module. The review module provides additional tools for annotations directly on the image as well as freehand drawings.

Various tools for precise annotations are available in the review module.

Use the comment field for general remarks about the image.

Click on a spot in the image to place and describe a point annotation.

Use the pen tool for freehand annotations in the image.

Use the ellipse tool for oval annotations. Hold the Shift key to create a circle or a square.

Select the color for your drawings in the color palette.