What is the best flag?

I think my country, it's commonly known as Taegukgi!
The white which was a usual color worn in the 19th century represents peace and purity.

The circle in the middle is derived from the philosophy of yin-yang and represents the balance of the universe.
The blue section represents the negative cosmic forces, and the red section represents the opposing positive cosmic forces. The trigrams together represent the principle of movement and harmony.

Each trigram represents different elements but too long to write.