Represents the quaternity - symbol of wholeness and the Self. Four functions of consciousness (thinking, feeling, sensation, intuition) and four stages of life. Modern: Integration of personality.

May represent anal stage fixation - order, control, cleanliness. Could symbolize parental authority (four parents including grandparents). Modern: Issues with control or authority figures.

The dreamer's need for structure or completion. Four represents what's missing or what needs to be integrated. Modern: Unfinished business requiring closure.

Cognitive schema for organization and categorization. Brain's tendency to group in fours for memory efficiency. Modern: Processing information systematically.

Survival advantage of recognizing four cardinal directions, four seasons, four limbs. Pattern recognition for navigation and resource management. Modern: Innate preference for symmetry.

Considered unlucky as it sounds like 'death' in Chinese, Japanese, Korean. Avoided in buildings and gifts. Modern: Still carries superstition but also represents four noble truths in Buddhism.

Four Vedas, four ashramas (life stages), four purusharthas (human goals). Sacred number in Hinduism representing completeness. Modern: Spiritual foundation and life structure.

Four rivers of Paradise in Islam, four elements in ancient philosophy. Four caliphs in early Islam. Modern: Divine order and cosmic structure.

Four seasons, four elements, four humors in medieval medicine. Four evangelists in Christianity. Modern: Natural cycles and classical foundations.

Four directions in many traditions, four stages of life. In some cultures, represents the four pillars of community. Modern: Ancestral wisdom and social structure.

Four directions in Native traditions, four sacred medicines. Four seasons in agricultural cycles. Modern: Environmental awareness and spiritual orientation.

Four elements in pre-Columbian cosmologies, four directions in Mayan and Aztec traditions. Modern: Connection to earth and ancestral knowledge.