The Korean flag (태극기) is called "Taegeukgi" in Korean.
symbolizes the principles of the yin and yang in Oriental philosophy.
in the center of the Korean flag is divided into two equal parts.
The upper red
section represents the proactive cosmic forces of the yang.
lower blue section represents the responsive cosmic forces of the yin. The two
forces together embody the concepts of continual movement, balance and harmony
that characterize the sphere of infinity.
The circle is surrounded by four
trigrams, one in each corner.
Each trigram symbolizes one of the four universal
elements: heaven, earth, fire, and water.