A flag is a piece of fabric (most often rectangular) with a distinctive design that is used as a symbol, as a signaling device, or as decoration. The term flag is also used to refer to the graphical design employed by a flag, or to its depiction in another medium.
Flat, or flatness, describes an object or condition that is very smooth or level.
Flat, or flatness, describes an object or condition that is very smooth or level.