Literary source of the iconography of the icon of the Theotokos appeared to chant 1 hour: "What to call Thee, o full of grace." Like other such hymnographic compositions (see cat. 9, 10, 51), this is based on a combination of traditional iconographic formulae. Every epithet of the hymn corresponds to a specific image. But the meaning of the composition is not limited to the text of the prayer. In General, the composition is an illustration of the theme of service to the mother of God to the dispensation of God for the salvation of man.