The term "1:200" typically refers to a scale ratio used in various fields, such as architecture and engineering. It means that 1 unit on a drawing or model represents 200 units in real life. For example, if a building is drawn at a scale of 1:200, 1 centimeter on the drawing would equal 200 centimeters (or 2 meters) in reality. This scale is useful for creating detailed representations of large objects or areas, allowing for easier visualization and planning. It is commonly used in blueprints, maps, and models, helping professionals like architects and urban planners communicate their designs effectively.