The purpose of theory is to:

A) Explain experience.
B) Describe relationships.
C) Project outcomes.
D) All of the above.

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained.

Experience

The knowledge or practical wisdom gained from what one has observed, encountered, or undergone.

Relationships

Connections or bonds between people, which may be emotional, social, professional, or familial in nature.