Afternoon,
Here is a very nice, short and well done explanation on color gamuts. Note That GracCol is now titled G7.
https://shopduggal.com/blog/166/the-90-second-guide-to-color-profiles?utm_source=Shop+Duggal+Mailing++List&utm_campaign=274c6a6d58-EMAIL_CAMPAIGN_2020colorprofiles&utm_medium=email&utm_term=0_33fade0da8-274c6a6d58-419111221
Prof. Kubis