What is the meaning of the furniture term Key Pattern?

The term Key Pattern in furniture refers to a specific decorative design element found on furniture pieces. It typically involves the use of key-shaped motifs or patterns, often resembling the profile of a keyhole. Key patterns are commonly seen in furniture decorations, such as inlays, carvings, or embossed designs, and are used to add visual interest and ornamental detail to the furniture item. The term may also be used to describe a specific type of furniture hardware, such as keyhole plates or escutcheons. Band ornament of interlacing lines at right angles. Also Greek Fret.