The purpose of a system is what it does https://en.m.wikipedia.org/wiki/The_purpose_of_a_system_is_what_it_does https://en.m.wikipedia.org/wiki/The_purpose_of_

The purpose of a system is what it does https://en.m.wikipedia.org/wiki/The_purpose_of_a_system_is_what_it_does https://en.m.wikipedia.org/wiki/The_purpose_of_a_system_is_w...