Chae once explains the “flow”, the essential technique in his creation involving both “control” and “serendipity”: Water is something that accumulates and overflows, and when we look down on the ground from a high sky, overflowing water is called a river, creating empty footprints as it passes through and divides the land. And what he does in the virtual space is "a poetic pictorial metaphor to the ‘Tao’ of nature”, which uses the canvas as the screen, where the synergy of the materials, the process of creation, and the final result take place.