What does the fountain created by Claus saluter for the cloisters of chartreuse de champmol symbolize?

The fountain created by Claus Sluter at the Cloisters of Chartreuse de Champmol symbolizes the Holy Trinity. The layout of the fountain incorporates three levels representing the three divine entities of the Holy Trinity: Father, Son, and Holy Spirit. The water flowing from the fountain symbolizes the perpetual flow of divine grace.