*requisite variety*

A system can only respond to complexity it can match or exceed. To regulate or adapt to its environment, a system must possess at least as much variety as that environment presents. Design systems with sufficient diversity to handle the many possible states they might encounter.

philosopher of networks, developer of ecosystems, self-organization maxi

Are all these terms from the "glossary of systems" being collected into a document or knowledge base somewhere? 

If so, I want to bookmark it for future reference.

Writer, senior editor, music nerd, GenX eldergoth, monastery-bootstrapper. https://paragraph.xyz/@danicaswanson https://tinyurl.com/Black-Stone-Wordsmith

I maintain a small library of concepts that you might enjoy:

eulerpartners.com/concepts/

Excellent. Thank you for the pointer. Bookmarked!