The word "Di Ku" comes from the French word cordon, which means "thin rope, thin thread". In the field of architecture, garage usually refers to a kind of slender rope or line, which is used to connect the structural elements or decorative details of the building to make it more stable and beautiful. Libraries can be used to hang lights or paintings, and also to decorate floors, walls and ceilings.

In jewelry design, "Di Ku" is used to refer to a slender metal chain, which is usually used to make necklaces or bracelets. Garage chains are generally made of multiple wire ropes, which are soft, smooth and comfortable, and are very suitable for wearing. At the same time, the exquisite pattern of the library chain is also one of its attractions, which is often used by jewelry designers to create exquisite jewelry.

In addition to architecture and jewelry design, the library also has great applications in textile processing. In traditional hand knitting, library chain is often used as the basic thread as the support of other stitches and knitting methods, which makes hand knitting more delicate and beautiful. In addition, in modern textile technology, garage chain can also create different textures and patterns through the combination of different materials and techniques, which can be skillfully used in fashion fabrics, home decoration and other fields.