The Amazon label is mainly a type of product label, which is used to identify and classify products during sales and logistics.

1. The Amazon label is an identifier developed and applied by Amazon, usually appearing on product packaging or labels in the form of a barcode. They use the globally unique standard product code (UPC) or international product number (ISBN, ASIN, etc.) to ensure that each product has a unique identification.

2. The role of the Amazon label is to achieve product tracking and inventory management. By scanning the Amazon label, merchants and logistics operators can quickly identify the product and perform corresponding operations, such as shipping, warehousing, inventory, etc. This effectively improves logistics efficiency and reduces the possibility of manual operation errors.

3. The Amazon label is also closely related to Amazon's e-commerce platform. When merchants put products on the shelves, they need to generate corresponding Amazon labels for each product and bind its relevant information to the product list. After the customer places an order to purchase the product, the Amazon label is also used to track the product's outbound and delivery process.

In short, Amazon labels are a tool for identifying and tracking products through barcodes, and have important logistics and e-commerce application value. It helps improve the efficiency and accuracy of the supply chain and provides merchants and consumers with a better shopping experience.