Original sentence: It is composed of eight limbs: Yama and Niyama, which are ethical obligations; Asana; Pranayama, which is breath control; Pratyahara, which is sense withdrawal; Dharana, which is concentration; Dhyana, which is meditation; and Samadhi, which is the experience of unity with God.. The eight limbs are more precisely viewed as eight levels of progress, each level providing benefits in and of itself and also laying the foundation for the higher levels
Edited sentence: It is composed of eight limbs: Yama and Niyama, which are ethical obligations; Asana; Pranayama, which is breath control; Pratyahara, which is sense withdrawal; Dharana, which is concentration; Dhyana, which is meditation; and Samadhi, which is cocentration, mastery of the mind.. The eight limbs are more precisely viewed as eight levels of progress, each level providing benefits in and of itself and also laying the foundation for the higher levels