This flag has four colors. The yellow represents the lights of the cities and taxis that unite the city. The green represents the forest preserves and the county’s environmentalism. The blue represents the lakes and rivers of the county. The gray represents the industrial aspect of the county as well as the buildings of cities. The star represents Chicago, the capital, as well as being a center of commerce. The dots represent the five other sections of the county: North, Northwest, West, Southwest, and South.