What is the meaning of ancient window grilles?

1) The three-cross-six-diamond pattern symbolizes the orthodox state power, the heaven and the earth, and the four directions. This is a symbol, which means that everything is produced at the turn of heaven and earth.

2) Oblique check and net check are diamond-shaped tapestries composed of two oblique checks. It means to acquire wealth.

3) Plaid pattern, commonly known as tofu plaid. Square holes in the grid pattern represent the integrity of each place. As the center of doors and windows, the grid pattern appears on the building, which means that the owner of the building is rich and upright.

4) The pattern of wheeled money presents an inward curved square in the circle, which looks like a round square hole, hence the name. Wheeled money window grilles mean making a fortune.

5) The vertical frame and the horizontal frame are independent of each other vertically and horizontally, and their respective ends tease the middle and sides to form a T-shape, and the vertical frame and the horizontal frame are teased by the foreign minister and the inner short, forming a stepped pattern. The connotation is that people succeed in everything in their careers, and they will get a good and auspicious symbol of being an official step by step.

6) The "flower pattern canal" presents a rotating shape. It is like a spiral produced by air circulation in the air, and it is also like a vortex that often appears in running water. The ancients believed that this spiral motion was the motive force of life, which implied the infinite cycle of the universe. The four ends of the word are spread out and repeated constantly, which means that everything is auspicious and immortal. Sometimes, the words "longevity" and "blessing" are embellished to further highlight the auspicious meaning.