is frequently used to describe the four elements of the Object of Rotary:

1.“Club Service”  providing service to the Rotary club to enable it to run efficiently in the spirit of fellowship.
 

2. “Vocational Service” – putting high standards of conduct into practice in the business and professional lives of Rotarians.
 

3. “Community Service” – identifying needs in the Rotary club’s community and addressing these needs with service projects.
 

4. “ International Services” – working for international understanding and peace by promoting goodwill between all people.