What does the "plum blossom" in playing cards symbolize?

Spades, hearts, plum blossoms and Deanmond represent the spring, summer, autumn and winter of the year. There has been a lot of debate about why these four patterns should be used as playing cards. There are two kinds of centralized views: one is that these four colors represent the four major industries of society at that time, among which spades represent spears and symbolize soldiers; Plum blossoms represent clover flowers and symbolize agriculture; Square represents bricks used by craftsmen; The heart represents the heart and symbolizes the priest. On the other hand, these four colors come from the patterns of ancient European divination tools, in which spades represent olive leaves and symbolize peace; Plum blossom is a four-leaf clover, which means good luck; The square is a diamond, symbolizing wealth; The heart shape symbolizes wisdom and love.

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