Obsession Domination of one's thoughts or feelings by a persistent idea, image, or desire, to the exclusion of all others.
Occult Teachings, arts, and practices concerned with hidden and mysterious underworld.
Om Hindu mystical and sacred primary syllable used as a mantra to invoke divine power.
Oral Tradition The verbal transmission of myth, legend, saga, and story that ultimately formed the basis of most ancient scriptures; created a sense of unity and identity within the community.