graphic design for a t-shirt.
The flag of South Korea, or Taegeukgi has three parts: a white background; a red and blue taegeuk (taijitu or "yin-yang") in the center; and four black trigrams, one in each corner of the flag.
The four trigrams originate in the Chinese book I Ching, representing the four Chinese philosophical ideas about the universe: harmony, symmetry, balance, circulation.
The white background symbolizes "cleanliness of the people." The taegeuk represents the origin of all things in the universe; holding the two principles of "Yin", the negative aspect rendered in blue, and "Yang", the positive aspect rendered in red, in perfect balance. Together, they represent a continuous movement within infinity, the two merging as one. The four trigrams are:
☰ (geon) sky, spring, east, humanity, father, metal, justice
☲ (ri) sun, autumn, south, courtesy, son, fire, wisdom
☵ (gam) moon, winter, north, knowledge, daughter, water, vitality
☷ (gon) earth, summer, west, righteousness, mother, earth, fertility