A scheme that partitions a body of knowledge and defines the relationships among the pieces. It is used for classifying and understanding the body of knowledge.

Found or coming from within something, for example a system or a person’s body or mind – Cambridge Dictionary definition

originating from outside; derived externally from human activity

Need – encompasses all consumption of goods and services
Create – encompasses the production and delivery of goods and service

Use Value (of Human Activity/Interaction)

Need Token (NT) –

Create Token (CT) –

Value Token (VT) –