The central panel of the Portinari Altarpiece by Hugo van der Goes relies heavily on?

The central panel of the Portinari Altarpiece by Hugo van der Goes heavily relies on the depiction of the Nativity, showcasing the Holy Family surrounded by adoring figures, including angels and shepherds. The use of vivid colors, intricate details, and emotional expressions enhances the scene's spiritual gravity. Additionally, the composition emphasizes the significance of Christ's birth, inviting viewers to engage with the divine narrative. The altarpiece exemplifies the Northern Renaissance's focus on realism and human emotion.