Kan (坎) is one of the eight trigrams, represented by the diagram ☵. It is also one of the 64 hexagrams and composed of two trigrams like this . Kan symbolizes water, which moistens all things on earth. Since water always flows toward or deposits in a lower place, it also implies mire or danger. The symbol is composed of one unbroken line and two broken lines. It is considered a yang trigram and symbolizes the male. With the unbroken line in the middle, it also represents the middle son of a family.