Memento mori

A memento mori in a work of art is a symbol or portrayal of death. It reminds the viewer that life must end sometime and encourages them to think about their own life. "Memento mori" means "Remember you must die" in Latin. Here's an example

additive -- adhesive -- admixture -- aggregate -- andamento -- armature -- background -- backing -- bozzetto -- byzantine -- cartoon -- cement -- ceramic -- ceramic tiles -- concrete -- cosmati -- crazing -- curing -- direct method -- efflorescence -- emblema -- encaustic tiles -- epoxy -- florentine mosaic -- geometric pavement -- glaze -- gothic revival -- graffito -- greek key -- grid technique -- grout -- grout file -- grout sealer -- guilloche -- herringbone -- hypocaust -- indirect method -- inlay -- intarsia -- interstice -- joint -- memento mori -- meta mosaic -- micromosaic -- monogram -- mortar -- opus -- opus musivum -- opus paladanium -- opus regulatum -- opus sectile -- opus tessellatum -- opus vermiculatum -- pelta -- peppering -- picassiette -- pietre dure -- pique assiette -- pseudo mosaic tiles -- PVA glue -- reverse method -- sgraffito -- silicone sealant -- smalti -- squeegee -- substrate -- terracotta -- terrazzo -- tessellate -- tessera -- tesserae -- tile cutter -- tile nippers -- trompe l'oeil -- vitreous glass tiles -- zillij --