supply chain

A supply chain is the full journey of a product—from getting raw materials to making it, moving it, and finally selling it to customers.

• It is a network, not a single line: many people and organisations are connected, such as miners and farmers, factories, transport companies, warehouses, wholesalers/retailers, and even online platforms.
• It includes both physical steps (sourcing, manufacturing, packaging, transport, storage) and support systems (technology for tracking, payments, planning, and quality checks).
• Supply chains often spread across different regions and countries because inputs are found in different places—one place may have minerals, another skilled workers, and another advanced factories.
• A simple example is a mobile phone: metals and minerals are sourced, parts like chips and screens are made in specialised units, components are assembled in factories, and then phones are shipped to markets.
• When one link breaks, the whole chain can slow down or stop. This is called a supply chain disruption—for example, if transport is blocked or a key component is unavailable, factories may not be able to produce.
• Countries and companies try to make supply chains more reliable by using multiple suppliers, keeping some запас (buffer) stock, or building more production capacity closer to home.

Seeing production as a supply chain helps explain why land, labour, capital, and entrepreneurship must stay connected at every stage for goods to reach people on time.