In a country that is still technically at war, 평화 (peace – 平和 in Chinese characters) is naturally going to be an important concept. The word 평화 (peace) appears frequently in signs. Below are some examples:
Across the street, you can see 평화시장 (Peace Market), a famous fashion market in the Dongdaemun area.
The photo below shows the side of a tourist bus of a company called 평화관광.
This paper clip (크립) brand is named 평화.
Other words which are geo-politically significant in Korea that appear frequently in signs are unity, independence, and peninsula.