The term 'Narrow Metal Strip' can be summarized as a SLAT, which is a four-letter word. A SLAT is a thin, narrow strip of metal or other material used in various applications such as window blinds, shutters, and fencing. Slats are also used in construction to provide support for walls, roofs, and other structures. Slats are typically made from aluminum, steel, or wood, and can be painted or finished with a variety of materials.