Kalsomine colors, opaque water colors, variously known as show card colors, liquid tempera, and letterine,—all come under the heading of water colors.

Pubs and clubs are singled out to show cards are widely accepted by retailers, with improved technology making payment easier and faster.

Colored or plain engravings, photographs, lithographs, water colors, oil colors, crayons, steel plates, newspaper cuts, mezzotints, pencil, writing, show cards, labels, or, in fact, anything.