Answer:
Mandala is one of the oldest and universal symbols in history that is connected with Sanskrit meaning of circle and it existed even in Paleolithic engravings.
They were used by medieval alchemists and being very much explored by Tibetan Buddhists. At the most basic level, mandalas represent integrity, unity and harmony. However, each mandala has a unique meaning and reflect the condition and context of creator.
Mandalas carry their own special kind of vibrational energy achieved trough mathematically calculated and precise composition that is found to be reflecting the circles presenting the circle of life, nature processes and has been observed in astronomy - in movement of planets.
Mandalas are used to improve mental, emotional, physical and spiritual health in most of traditions and cultures, wheter they are expressed trough drawings, architectural forms or crafts.
Mandala drawing is a deep meditative practice. Benefits include increased sense of comfort, calmness, clarity, emotional stability, wholeness, creativity and understanding.
Explanation:
Around the world, mandalas have portrayed everything from psychological balance (Jungian psychology) and the cosmic order (Taoism), to religious beliefs (Christianity) and the transience of life (Navajo Indians).
Famous master of analytical psychology, Jung, was himself drawing mandalas to support his growth. He reflected in his autobiography: "mandala is a personality completeness that is harmonious if everything goes well."