Club Service includes the scope of activities that Rotarians undertake in support of their club, such as serving on committees, proposing individuals for membership, and meeting attendance requirements.

Vocational Service focuses on the opportunity that Rotarians have to represent their professions as well as their efforts to promote vocational awareness and high ethical standards in business. For decades, Rotarians having been applying the " 4-Way Test " to their business and personal relationships and in recent years, a "Declaration of Rotarians in Businesses and Professions" has given expression to their concern for ethical standards in the workplace. From offering career guidance in high schools, to seeking ways to improve conditions in the workplace, Rotarians and their clubs engage in many different kinds of vocational service.

Community Service includes the scope of activities which Rotarians undertake to improve the quality of life in their community. Many official Rotary programs are intended to meet community needs, whether it be to promote literacy, help the elderly or disabled, combat urban violence or provide opportunities for local youth.

International Service describes the activities which Rotarians undertake to advance international understanding, goodwill and peace. The spread of Rotary clubs across the globe allows for the concerted Rotary support of humanitarian efforts worldwide.