Alt text for images with callouts

[dick -at- rlhamilton -dot- net]

Does anyone have any advice for creating good alt text for an image with callouts?

E.g., an image that shows some kind of process. It has a standard block diagram that shows steps in the process, each with a callout number that refers to text in the body of the article/book.

Any thoughts on how best to write alt text in that case?

Thanks for your help.
Richard Hamilton
-------
XML Press
XML for Technical Communicators
http://xmlpress.net
hamilton -at- xmlpress -dot- net



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