Within Sanatana Dharma, dharma is understood as the fundamental principle that sustains both the cosmos and human life, a fusion of universal law and ethical order. It is the moral–cosmic framework that maintains harmony in natural cycles, social structures, and inner life, often linked with the idea of an underlying order that governs reality. This principle is at once descriptive, in that it reflects how the universe is structured, and prescriptive, in that it guides how beings ought to live. Dharma thus signifies not merely a set of rules, but the very pattern of rightness that upholds existence and allows it to flourish.

On the human level, dharma expresses itself as duty, righteousness, and right conduct. It encompasses responsibilities shaped by one’s stage of life and social role, while also recognizing that each individual has a unique path, or svadharma, arising from inherent nature and particular circumstances. Ethical virtues such as truthfulness, non‑violence, self‑control, compassion, and purity are seen as concrete expressions of this principle in daily conduct. In this way, dharma governs personal behavior, social obligations, and legal‑ethical norms, always aiming at justice, harmony, and the protection of life.

Dharma is also intimately connected with the traditional aims of human life, serving as the foundation upon which the pursuit of prosperity and pleasure must rest, and as a support for the quest for liberation. By aligning actions with dharma, one participates in the maintenance of cosmic harmony while fostering spiritual growth toward self‑realization and freedom from the cycle of rebirth. At the same time, dharma is not rigid or mechanical; it is sensitive to time, place, and situation, acknowledging that what is truly righteous may vary with context and may require discernment in complex circumstances. Thus, dharma in Sanatana Dharma is the eternal law of rightness expressed as each being’s appropriate way of living, in consonance with both the universal order and one’s own deepest nature.