Final answer:
A floodway is shown on the Flood Boundary and Floodway Map to indicate the path that floodwaters are expected to take during a flood event.
Step-by-step explanation:
A floodway is shown on the Flood Boundary and Floodway Map to indicate the path that floodwaters are expected to take during a flood event. It represents the area where flood flows are allowed to pass without causing significant damage to structures and infrastructure. The floodway is typically marked on the map using specific markings and symbols, such as a designated shaded area or hatching, to distinguish it from other areas.