The term "cold chain" is used to describe:

A supply chain that has been clogged up by too much cargo, essentially "freezing" all operations until the bottlenecks are cleared

A supply chain that operates in northern countries such as Norway, Sweden, and Finland.

A supply chain that deals with perishable products that demand transport and storage in cool temperatures, refrigeration, or freezing.

A supply chain that has no sense of social responsibility or morality.

Goods being transported and stored at warm temperatures to protect them from freezing.