The term stained glass can refer to coloured glass as a material or to works created from it. Throughout its thousand-year history, the term has been applied almost exclusively to the windows of churches, mosques and other significant buildings. Although traditionally made in flat panels and used as windows, the creations of modern stained glass artists also include three-dimensional structures and sculpture.Modern vernacular usage has often extended the term "stained glass" to include domestic leadlight and objets d'art created from came glasswork exemplified in the famous lamps of Louis Comfort Tiffany.