Gurbani is referred to any compositions by the Sikh Gurus. It also includes the verses of other writers of Guru Granth Sahib, the holy book of teh Sikhs. Guru Granth Sahib was given the status of permanent Guru by the Guru Gobins Singh. He declared that the Guru Grnath Sahib must be revered as the spirit and the body of the ten Gurus as the book contains the teachings of the all the Sikh Gurus.These teachings or banis are scripted in the Guru Granth Sahib and are known as Gurbanis which are generally read by the Sikhs every day. The Guru Granth Sahib which is also known as AdiGranth has 1430 pages and 5864 verses and the content of the AdiGranth is known as the Gurbani or bani.
According to the AdiGranth, Gurbani is a sound that comes straight from the Supreme and the book is written in the form of the same sound in scripts and worldly language. The verses explain the qualities of the Supreme and a Sikh can attain the supreme state by comprehending the Gurbani. Few historical facts about Gurbani are:
The word Gurbani means the speech of the conscious mind or the speech of wisdom. It consists of two words i.e.Gur (wisdom) and Bani (speech). It is a source of wisdom and truth and it eradicates you of any sin and internal filth. Among all the verses, Nitnem is a collection of banis which are read by the Sikhs in everyday life. This mainly includes:
Apart from the above mentioned hymns and verses there are many other verses of Gurbani like Anand Sahib, Rehas Sahib and KirtanSohilawhich were written by the other Sikh Gurus.