The Self S stands for physical, emotional and personal development. Delta Phi Epsilon is committed to promoting positive self-awareness and providing opportunities for self-discovery to help sisters develop individual strength, establish a personal set of values, and clarify their purpose as a student and a sister. The sorority is focused on developing physical and mental well-being.

The Service S stands for community and societal awareness and involvement. Delta Phi Epsilon aims to develop women who will be contributing members of society. Sisters are exposed to relevant societal issues and provided the opportunity to make a positive impact within as well as outside the sorority. They have the chance to become aware of important issues, discover ways to be more involved, and begin to participate in community service and philanthropic projects.

 
The Sisterhood S stands for organizational knowledge and skills. Individual sisters must have the skills to manage the affairs of the chapter and lead their fellow sisters. All members must have a knowledge of how the sorority operates and what the expectations are of the members. Sisters must also have an understanding of the Greek system, the benefits of being in a sorority, and the policies relating to Greek life. A strong sorority spirit involves mutual friendship, support between members, and activities that increase the bonds of sisterhood.

The Social S stands for communication, leadership and social development. It provides sisters with the opportunity to enhance their communication and leadership skills as well as the ability to work with and relate to others in a cariety of situations. The knowledge and experience of social skills help sisters effectively participate in one-on-one situations and small and large group settings, which explore diversity, multiculturalism, and gender issues, as well as leadership development.