Image annotation is the process of labeling or marking up an image with a series of tags to help contextualize it. This may take the form of creating a callout that can be used as a tooltip in a browser or content management system or inserted into the image itself. Visit us at https://www.evernote.com/shard/s454/sh/9897bf67-11ef-1da6-9166-537a59814b2c/41dc46f55992ac83468e4b613df77675.