Yul guk is the pseudonym of the great philosopher and scholar Yi L nicknamed the Confucius of Korea. The 38 movements of this pattern refer to his birthplace on the and the diagram represents "scholar"
South Korean Flag love the meaning behind it. I've also heard that the short and long lines along with representing the elements also represent the strong protecting the weak and the weak protecting the strong. Like the taegeuk, its all about BALANCE.