If of interest, the Complete Shabad is below. It is a "Chaupad" and has "Rahao Stanza" followed by four stanzas. I have attempted an interpretation for each tuk and the Shabad outside of the quoted from srigranth.org.
Sat Sri Akal.
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ੴ ਸਤਿਗੁਰ ਪ੍ਰਸਾਦਿ ॥
ੴ सतिगुर प्रसादि ॥
Ik▫oaʼnkār saṯgur parsāḏ.
One Universal Creator God. By The Grace Of The True Guru:
ਵਾਹਿਗੁਰੂ ਕੇਵਲ ਇਕ ਹੈ। ਸੱਚੇ ਗੁਰਾਂ ਦੀ ਦਇਆ ਦੁਆਰਾ ਉਹ ਪਾਇਆ ਜਾ ਸਕਦਾ ਹੈ।
xxx
ਅਕਾਲ ਪੁਰਖ ਇੱਕ ਹੈ ਅਤੇ ਸਤਿਗੁਰੂ ਦੀ ਕਿਰਪਾ ਨਾਲ ਮਿਲਦਾ ਹੈ।
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਸਤਿਗੁਰ
Creator's understanding is like a lighted lamp in the mind.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਬਿਨਸਿਓ[/URL]The darkness dissipates and it feels as though mind space gets filled with gems of understanding and virtue.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਬਿਸਮਨ[/URL]In such an enlightenment of understanding, one cannot find words to describe the creator's virtue.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਮਗਨ[/URL]One feels as though threaded into the creator being the cloth and becomes one with the creator.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਆਲ[/URL] Wordly affairs and cares become insignificant and ego is subdued.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਊਚਨ[/URL] In such a state one one experiences the creator in body and mind, one does not feel the separation from the creator.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਏਕੰਕਾਰੁ [/URL]The light from the creator's understanding makes one realize the one creator present everywhere.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਏਕੁ[/URL] One creator, omni-present appears as the support for all creation.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਨਿਰਮਲ[/URL]
The creator appears as pious and the purest of pure in such enlightened mind.
http://www.srigranth.org/servlet/gurbani.dictionary?Param=ਅੰਤ[/URL]
Nanak, the creator is infinite and of status higher than the highest.
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All errors are mine and I stand corrected.
Sat Sri Akal.