Of the seven dimensions of religion (narrative, ritual, experience, legal, philosophical, institutional, and material) the narrative dimension is preeminent within Christianity so we often see sacred story informing sacred art.
This is a good example. If you look closely at this nativity you’ll see allusions to the angelic announcement to the shepherds, the coming of the magi, Herrod having a hernia, and what looks like a baptism scene.
I’m not sure where you see Herod having a hernia. The “baptism scene” is the midwives washing the baby Jesus (the halo makes that clear – only haloes of Jesus have a cross in them).
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