supplychain.wiki

The Supply Chain Encyclopedia

Raw Materials

Every supply chain begins in the earth. Minerals are extracted, fibers harvested, chemicals refined. The raw materials stage is where the chain's ethical foundation is laid -- or undermined. Traceability at this level remains the industry's greatest challenge1.

The distance between a lithium mine and a smartphone battery is measured in transformations: ore to concentrate, concentrate to carbonate, carbonate to cathode. Each step changes the material and obscures its origin2.

Manufacturing

Manufacturing converts raw materials into components and components into products. Modern manufacturing is distributed -- a single product may pass through factories in four countries before assembly3.

The bill of materials (BOM) is the blueprint. The software bill of materials (SBOM) extends this concept to digital components. Both are maps of dependency, and both reveal how deeply interconnected our production systems have become.

Logistics

Approximately 90% of world trade travels by sea. Container shipping transformed global commerce by standardizing the unit of transport. The 20-foot equivalent unit (TEU) is the atom of global logistics4.

Transit time, customs clearance, port congestion, and weather disruptions are the variables that make logistics the most volatile stage. A single blocked canal can cost the global economy billions per day.

Distribution

Distribution bridges the gap between production and consumption. Warehousing, inventory management, and fulfillment networks determine whether products reach consumers when and where they are needed5.

The last mile -- the final leg from distribution center to doorstep -- accounts for over 50% of total shipping costs. It is the most expensive, most complex, and most visible stage of the entire chain.