"In Greek mythology, Iris (/ˈaɪrɪs/; Greek: Ἶρις, Ancient Greek: [îːris]) is the personification and goddess of the rainbow and messenger of the gods." - (en.wikipedia.org 11.08.2021)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)