Superposition

https://en.wikipedia.org/wiki/Superposition_principle

Superposition is Vital to Layered Design and Analysis

Software Inhibits SuperPosition

See

https://guitarvydas.github.io/2020/12/25/The-ALGOL-Bottleneck.html

and 

https://guitarvydas.github.io/2020/12/09/CALL-RETURN-Spaghetti.html.