There is no distance. Calm is the calm branch of the primary stage of meditation, also known as calm, excessive and desensitization branch. In Buddhist terminology, it is one of the branches of the seven senses, which refers to the state of well-being of body and mind before entering meditation. The first meditation is the initial meditation realm of the Buddhist term "four Zen and eight meditation". It is divided into Yi Chan in the color world and Yi Chan in the world. There is no distance between the realm of light peace and the realm of early Zen, which can only be achieved through one's own slow understanding.