What do you call this situation? What does this mean?

Palindrome-an auxiliary pattern of porcelain, named after the pattern looks like "Hui". There are single, one positive and one negative, paired connection, continuous band and so on. , not just the mouth or neck of decorative items. Jizhou Kiln, Ding Yao Kiln, Yaozhou Kiln and Cizhou Kiln were widely used in Song Dynasty, and were used in Yuan, Ming and Qing Dynasties.

Traditional implication mode. Geometric patterns derived from thunder patterns on pottery and bronzes. It means that Geely is profound and long-lasting, and Suzhou folks call it "wealth never stops." Vertical patterns can be seen everywhere in embroidery, carpets, wood carvings, porcelain and architectural decoration in the Ming and Qing Dynasties, which are mainly used for border decoration or shading, and are full of neat, unified and rich effects. Some brocade patterns combine palindromes continuously in four directions, commonly known as "Hui Hui Brocade". A traditional pattern of porcelain decoration, named after "Hui" and other patterns. Lines are square and curly, and palindrome is synonymous with thunder pattern, which is also one of the images of thunder pattern. Some are arranged intermittently, some are connected in pairs, commonly known as "opposite palindromes", and some are continuous ribbons, which are mostly used to decorate the mouth or neck of utensils. Palindrome pattern is one of the main patterns in Chinese traditional patterns, and the artistic expression and design concept of traditional palindrome directly affect modern design.