Final answer:
The main deity depicted is Aphrodite, known as the goddess of love and beauty, often represented in art to signify beauty and sensuality.
Step-by-step explanation:
The main deity depicted in the artwork is Aphrodite, the goddess of love and beauty. She is known for her roles in various myths including the famed Judgment of Paris and the abduction of Helen.
In artistic representations, Aphrodite is often shown as embodying beauty and sensuality, such as in Praxiteles' Aphrodite of Knidos where she prepares to step into a bath, and in the Venus de Milo by Alexandros of Antioch, where her poised and fragmented form hints at a narrative of divine beauty and feminine allure.