Buddha meditating under the Bodhi Tree; Nagapattinam, Tamil Nadu, India; c. 900 CE; Granite; 176.5 x 80 x 47 cm. Brooklyn Museum, New York

Also called vimoksha, vimukti, mukti and nirvana, it is an Indian philosophical concept that signifies liberation from the cycle of death and rebirth, known as samsara, and is shared in the views of religions such as Hinduism, Buddhism, Jainism and Sikhism. It also implies freedom from ignorance as a process of self-realisation.