The term 'decorated band along a wall' can be summarized as a FRIEZE, which is a 6-letter word. A FRIEZE is an architectural term for a horizontal band of sculpted or painted decoration, typically found on the upper part of a wall. Friezes are often used to decorate the walls of buildings and are usually placed above eye level. Friezes have been used in architecture since ancient times, with some of the most famous examples being the Parthenon FRIEZE in Athens and the Elgin Marbles in London.