Could you gals and guys define Common Good in your own words? No worries, I don't need this for homework or a test, I just wanna get a better understanding of the word! :)

In philosophy, economics, and political science, the common good (also commonwealth, general welfare, or public benefit) refers to either what is shared and beneficial for all or most members of a given community, or alternatively, what is achieved by citizenship, collective action, and active participation in the realm of politics and public service.

i would say b. research typically uses a variety of sources