Final answer:
The interior decorative program of Santa Constanza features Christian images of redemption, with early Christian symbols and scenes from Jesus's life set against a stylistic background that is less naturalistic and more symbolic.
Step-by-step explanation:
The interior decorative program of Santa Constanza primarily features Christian images of redemption. This includes imagery such as the Mary with baby Jesus and scenes from the life of Jesus, which align with early Christian art practices of borrowing forms from pagan art while imbuing them with new, Christian significance. Unlike strictly classicist depictions, these figures were depicted in stylized forms that were less naturalistic, often set against a gold background in mosaics and emphasizing their symbolic rather than literal representation.
In addition, decorative panels and friezes portrayed scenes of conquest and triumph, echoing the military successes of Roman history which were common themes in Roman art. These scenes showed stylistic departures from classical naturalism, blending traditional Roman iconography with emerging Christian symbolism. The inclusion of such military iconography alongside Christian images illustrates the complex interweaving of political and religious themes in early Christian art, reflective of the transitional time period in which Santa Constanza was decorated.