Silent preaching
Silent preaching (Latin: muta predicatio; Italian: muta predicazione) is a term used in Catholic Art to describe the use of religious images as a method of conveying devotional messages, teachings and religious concepts, beginning around the Renaissance in Italy. == Description == The Discourse on Sacred and Profane Images (also simply called the Discorso) written by Gabriele Paleotti, the 16th-century Archbishop of Bologna is also known as the "Catechism of Images" for it established key concepts for the use of images as a form of religious instruction and indoctrination, following the Council of Trent in which he was a participant.