designer's own words:The heart is having the various meaning of passion, love and center etc. So, Seoul map -shaped design is Blood flow to the heart of like a digital signal line. Now, Seoul is the heart of Korea's and digital city. Han River that flows through the heart is the lifeline and the medium to connect each region together as well as the network each other. Communication which is rapid change of modern city and information makes bloodstream flow by heartbeat and worked more and more growing tree images. There's a craze for popular Korean cultures in many Asian countries. The title of the Han wave compared the Korean wave.