Final answer:
Spirituality is defined as an intrinsic experience that inspires belief in a force greater than oneself and provides meaning to one's life. It can be categorized as a personal philosophy.
The correct answer is none of all.
Step-by-step explanation:
According to McBride et al, spirituality is defined as an intrinsic experience that inspires one to believe in a force greater than oneself and as a guide for providing meaning to one's life. It is not explicitly mentioned in the given options a), b), c), or d), but based on the provided definitions, the closest option is personal philosophy. Spirituality is often associated with loosely structured beliefs and feelings about relationships between the natural and supernatural worlds, which aligns with the concept of personal philosophy.