What do you mean by "geometric patterns" on porcelain?

Geometric patterns are regular patterns composed of geometric patterns, including tortoise shell, double distance, chess, double win, brocade and wishful thinking. It began in the Spring and Autumn Period and the Warring States Period, and its style gradually enriched and spread to this day. They were the most popular in China during the Ming and Qing Dynasties. Porcelain, mahogany furniture and other utensils are decorated with geometric patterns. Geometric patterns reflect people's aesthetics in that period. The general meaning is continuous and has a long history, which means that culture, happiness, luck, bumper harvest and population reproduction have a long history. thank you