In Korean tradition, dreaming of cleaning is read as auspicious. It is most often tied to 전반, 건강.
Cleaning and laundry wash away old worry — a clean sweep, fresh start; dirt that will not come off, a problem that will not clear.
Tradition reads the symbol as an omen; psychology reads the same dream as a mirror of your present state. Describe your dream and both readings appear together. Interpret your dream