Buddhism:A religion and philosophy based on the teachings of Siddhartha Gautama, which emphasizes the attainment of enlightenment and the end of suffering through the practice of meditation and ethical living.
Nirvana: The ultimate state of peace, freedom from suffering, and release from the cycle of rebirth, which is the goal of Buddhist spiritual practice.
Four Noble Truths:The core teachings of Buddhism, which outline the nature of suffering, its causes, its cessation, and the path to its cessation.