Clinging to the Naam

The Sikh scripture (which is every Sikh’s only Guide and Guru), the Siri Guru Granth, has one main tip to convey to humanity.
“Practice the Naam!” the Sri Guru Granth instructs.
That is all there is too it! Simply drop everything else and focus all your attention on the Naam!
Yet what does that mean?
Literally the “Naam” means [...]