The five cerulean five-pointed stars arranged in an X pattern centered in the white band represent the five nations of the former Federal Republic of Central America (El Salvador, Costa Rica, Nicaragua, Honduras, and Guatemala) and the hope that the nations may form a union again.
Wind Deflectors let you enjoy cool, fresh air without all the noise and swirling winds, so you don't have to be so quick to crank up the air conditioner. Plus, deflectors improve your vehicle's open-window aerodynamics, cutting down on drag for a more efficient ride.
This is called the audible range of the human ear. Examples of vibrating sources that produce sound in the audible range of frequencies are drums, guitar strings, tuning fork, human vocal cords and diaphragms of loudspeakers.