Ai has another meaning, which refers to a card type in the traditional landlord fighting game in ancient China. This card type consists of three identical cards and a pair of cards, which looks like an "ai", hence the name. Landlord fighting game has become a popular way of leisure and entertainment in China, and the word Ai has also become one of the more common cards in landlord fighting.
In the field of art, the word Ai also has a unique meaning. It is a square composition technique, which can be used to highlight the importance of the central form. In graphic design, photography and other fields, the word Ai is widely used as a composition technique. Ai is simple in form, but it can make the picture more compact and layered, and is often used in scenes such as poster design. Ai character is not only widely used in the field of art, but also has many phenomena in daily life.