Complex sentence: The Taeguk symbol is most prominently displayed on South Korea's national flag, known as the Taegeuk (along with four of the eight Palgwae diagrams); the Sam-Taeguk symbol can also be seen frequently, perhaps most notably on fans.
Split into simpler sentences: The Taeguk symbol is most prominently displayed on South Korea's national flag, known as the Taegeuk (along with four of the eight Palgwae diagrams). The Sam-Taeguk symbol can also be seen frequently, perhaps most notably on fans.