Tesserae: Tesserae are small individual pieces that make up a mosaic design. These tesserae can be made from various materials such as glass, stone, or ceramic.
Byzantine Mosaics: Byzantine mosaics refer to the mosaic artworks created during the Byzantine Empire. They are known for their intricate details and religious subject matter, often found in churches and palaces.
Ravenna Mosaics: Ravenna mosaics specifically refer to the mosaic artworks found in the city of Ravenna, Italy. These mosaics are famous for their vibrant colors and intricate designs, particularly seen in early Christian churches.