Flag of the United States of America is a flag with seven red and six white horizontal stripes. Blue rectangle on the left side represents the Union. In the canton of blue - 50 white five-pointed stars. 50 stars in the canton represent the 50 states. 13 pages - 13 colonies that formed an independent state (New Hampshire, Massachusetts, Rhode Island, Connecticut, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, New York, New Jersey, Pennsylvania). The blue color olitsitvoryaet loyalty, devotion, friendship, justice, truth, red - courage, zeal, fervor, white - purity and morals.
First, the flag used in the manufacture of 7 red and 6 white stripes, or vice versa, the stars are often portrayed not five, and six-or seven-pointed, their location in the Canton also was not permanent.
  red symbolizes valor, courage and diligence, white - purity of mind, integrity, freedom, integrity, and blue - the stamina, loyalty, perseverance and justice. Stars symbolize sovereignty.

50 five-pounted stars  of  white color  of 13 strips-13 colonies