What is the size of playing cards?

Generally speaking, they follow the rule that spades are bigger than hearts, hearts are bigger than clubs, and clubs are bigger than diamonds.

Are these four colors spades? (Spades, also known as sunflower fans), hearts? (heart, also known as red heart), plum blossom? (Dong Jia, also known as Caohua), diamonds? (diamond, also known as stepping brick or square, Sichuan and Chongqing are called block).

Spades and clubs are black, the other two are hearts and diamonds are red. Thirteen cards of each pattern, with numbers from one to ten, English letters J, Q, K, cards from one to ten are represented by the number of patterns, and J, Q, K are represented by head cards.

There are two kinds of opinions about the design and color of playing cards:

First, it represented the four major industries of society at that time. Spades represent spears and soldiers. Plum blossoms represent clover flowers and symbolize agriculture; Square represents bricks used by craftsmen; The heart represents the heart and symbolizes the priest.

Another theory is the pattern of ancient European divination tools. Spades represent olive leaves and symbolize peace. Plum blossoms represent clover and symbolize luck; The square represents diamonds and symbolizes wealth; The heart represents the heart, symbolizing wisdom and love.