A Source Information node is where new information is injected into an Information Supply Chain. New information might be created by a Capture Action or supplied by an external Organisation.

A Source Information node has a global context and a local context.  In the global context, a Source Information node represents the first instance of Information in an Information Supply chain.  It is created by some Capture Action which is gathering information from the real world and entering it into the Information Supply Chain. In many cases, the Information Supply Chain from that Source node will supply Information to an external organisation; a customer.  As that information enters the customer's organisation, it becomes a local Source to that customer.

The two contexts of a Source node are: