How are the coordinates in image map gotten? HTML

Question

Image map is an image with clickable areas, and are defined using the <map> and <area> tags. Can more light be thrown on how to achieve this?

Answer 1

By using the link.

Answer 2

www.image-map.net

https://www.instagram.com/p/B_xK5iZghGc/?igshid=5nefpgey2wy