Nirvana, one of the most important terms in Buddhism as well in various Asian religions, holds quite various as well as different meanings in those religions. Every Buddhist monks and followers studied the Buddhateachings and practice various techniques in order to truly achieve the highest goal of Buddhism.
"Nirvana cannot be imagined rather feel through inner self instead of speculating the Nirvana." – Lord Buddha
In general, Nirvana is also known as Nibbana in Buddhism and is considered as the highest goal one have to attained. The Buddhism started after Lord Buddha attained Nirvana in BodhGaya in India after six years of meditation. Rather than talking about how lord Buddha achieve Nirvana, let's discuss about true meaning of Nirvana in Buddhism as well as in various Buddhist tradition.
See More: How Lord Buddha attained Nirvana
Various Buddhist tradition believes and agreed that Nirvana is not any sort of place but it is the state of mind where one attained unlimited amount of knowledge as well as wisdom about the universe, space and life as well as death, rebirth in various realms.
As mentioned above, Nirvana is the final stage in Buddhism which can only be achieved after learning and understanding the true meaning of Noble Four Truths. And Noble Four Truths can only be truly understood after learning Middle Way or popularly known as Noble Eightfold Paths.
Read More: What is Middle Way
Nirvana is considered as the liberation from the concept of samsara or cycle of Life and death. One can only be liberate from samsara through understanding and letting go of fear, ignorance, greediness. There are many theories that one can only liberate from cycle of samsara after being reborn as a man. But all the sutras of Buddhism and lord Buddha never mentioned of such condition.
Concept of Nirvana in Mahayana Buddhism
In Mahayana Buddhism, Buddhist monks learn and meditate in order to achieve the Bodhisattvas vows they made i.e. to help all sentient beings to be free from the pain and suffering. Even though Nirvana is the highest goal in Mahayana Buddhism, the monks focuses more on the Bodhisattvas vows because it is believed that individual Nirvana is nonsensical.
Concept of Nirvana in Theravada Buddhism
The Therevadins monks usually use Pali word i.e. Nibbana. In Theravada Buddhism, Nibbana can be categorized in two different words i.e. Nibbana and Parinibbana. Nibbana means a living enlightened beings or Arahant. Arahant are the beings who have true conscious of pleasure, pain and suffering and these beings are not bound by these pains and suffering. Parinibbana means to enter the death. Lord Buddha said that Parinibbana is the end but the true beginning of knowledge and wisdom.