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.
Hypothetical example is a type of example in which the speaker may add fictional or imaginative situations or problems while giving an example.
This type of example helps the speaker to explain a complicated issue in simple and lucid ways by using fictitious events or situations which are comprehensible to all.
For instance, "What would happen if aliens from the outer space invaded earth?" is a hypothetical example.