Color
Yellow Business logic
Blue Application logic
Green Technology
Violet Money flow

Business, Data, Application, Technical

https://en.wikipedia.org/wiki/Worse_is_better
https://en.wikipedia.org/wiki/Perfect_is_the_enemy_of_good
https://en.wikipedia.org/wiki/Pareto_principle
https://en.wikipedia.org/wiki/MoSCoW_method


https://www.openproject.org/download-and-installation/