uml - SERP Analysis

https://www.uml.edu/

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

https://www.omg.org/uml/

http://www.uml.org/

https://www.visual-paradigm.com/guide/uml-unified-modeling-language/what-is-uml/

https://www.youtube.com/watch%3Fv%3D6XrL5jXmTwM

https://www.uml-diagrams.org/

https://www.omg.org/spec/UML

https://developer.ibm.com/articles/an-introduction-to-uml/