Is brahmin and cow a metaphor ? i cannot understand the meaning of this shabad.
https://www.sikhitothemax.org/ang?ang=1413&source=G
bRhmx kYlI Gwqu kM\kw AxcwrI kw Dwnu ]
brahaman kailee ghaat ka(n)n(j)kaa anachaaree kaa dhaan ||
iPtk iPtkw koVu bdIAw sdw sdw AiBmwnu ]
fiTak fiTakaa koR badheeaa sadhaa sadhaa abhimaan ||
pwih eyqy jwih vIsir nwnkw ieku nwmu ]
paeh ete jaeh veesar naanakaa ik naam ||
sB buDI jwlIAih ieku rhY qqu igAwnu ]4]