Please explain the Buddha's 8-fold path

the Buddhist teaching of the means of attaining Nirvana through rightness of belief, resolve, speech, action, livelihood, effort, thought, and meditation

Explanation:

In brief, the eight elements of the path are: (1) correct view, an accurate understanding of the nature of things, specifically the Four Noble Truths, (2) correct intention, avoiding thoughts of attachment, hatred, and harmful intent, (3) correct speech, refraining from verbal misdeeds such as lying, divisive speech

a.) are both appointed for life