What is a type of common-interest community mentioned?

A national professional organization serves as a prime example of a common-interest community because it brings together individuals who share a specific professional interest, background, or expertise. Members of such organizations typically collaborate to advance their profession, share resources, and support one another in achieving common goals. This type of community fosters networking opportunities, professional development, and advocacy efforts that benefit the collective group.

In contrast, while a neighborhood can foster community spirit and shared interests among residents, it does not specifically concentrate on a unified professional or interest-based objective. A city council is a governmental body that focuses on governance rather than specific interests among individuals. Similarly, a volunteer group may unite individuals for a common cause, but it is often more transient and does not encompass the structured networking and professional aims associated with national organizations.