What is a link in transportation and logistics?

In transportation and logistics, a link refers to a connection or segment within a supply chain or transportation network that facilitates the movement of goods from one point to another. This can involve various modes of transport, such as road, rail, air, or sea, and includes infrastructure like highways, railways, and ports. Links are essential for optimizing routes, reducing transit times, and ensuring the efficient flow of materials and products throughout the logistics process.