olemus
metoodikates, programmeerimiskeeltes ja parimates tavades avalduv tarkvara projekteerimise modulaarsusprintsiip, mis nõuab tarkvarasüsteemi tükeldamist võimalikult vähe kattuvate ülesannetega osadeks
= the principle of modularity in software design, as expressed in methodologies, programming languages and best practices, which requires the dividing of a software system into parts with as few overlapping tasks as possible

ülevaateid
https://en.wikipedia.org/wiki/Separation_of_concerns