Rhizosphere
The rhizosphere analogy is structural: both involve heterogeneous entities with different capabilities and constraints interacting under changing conditions to create outcomes that cannot be attributed completely to any single participant.
Specification-sourced: quoted from the governing specification, pending the applicable specification-owner approvals. The specification controls.
In RSMOne's words
RSM borrows the rhizosphere as a structural analogy, not as a claim that institutions or markets behave biologically. It keeps the model from treating an ecosystem as a directory of stakeholders: what each participant can do depends on the others and on conditions.