Supply chain is a system that moves goods from production to consumers. It includes several stages such as making, transporting, and selling products. Supply chains involve many people and businesses.

A product like a smartphone may include materials from one country, assembly in another, and sale in a third location. Transport systems, storage centers, and shops are all part of this process. Supply chains can be short or global.

Supply chains are part of trade and distribution. They operate in economies worldwide.