a long, straight metal bar a series of parallel lines along the length of the bar may have a painted stripe down the center may have a wooden or plastic covering may have brackets or supports to attach it to a structure
rail which is a long, straight metal bar rail which is a series of parallel lines along the length of the bar rail which may have a painted stripe down the center rail which may have a wooden or plastic covering rail which may have brackets or supports to attach it to a structure