conversando con la Madre de Dios

This image is a symbol laden dialogue between two parties. The four elements of nature are present, the feather for air, the candles for fire, the Nautilus stands for water, while everything in standing on the soil, the earth. The mouthed-like horns are embracing the situation as the tempo of the conversation is kept by the peaceful movement of the arms.
My question here is: which one is God?