"Allegorical figures" refers to characters or symbols that represent abstract ideas or concepts. They are often used in literature, art, or storytelling to convey deeper meanings and themes. Full definition
There's a transparency to the performances that transcends naturalism: you sense that the actors are not only playing themselves (more so than usual), but also that they're playing themselves as allegorical figures in a metaphor for their lives. (filmfreakcentral.net)
Artists represented here included Guido Reni, Diego Velazquez, Guercino, Charles Le Brun, and some less well known (Andrea Vaccaro, with his luminous allegorical figure Logic; and Massimo Stanzione, to name two) who more than held their own in such company. (nccsc.net)
It was almost always representational, usually of heroic or allegorical figures related to the purpose of the building; the themes were usually chosen by the patron, and abstract sculpture for decoration was extremely rare. (en.wikipedia.org)