The song "Cartier" by N2C tells the story of living in a tough neighborhood where people have to hustle to survive. The lyrics talk about the struggles of making money and staying safe in the streets, with references to selling merchandise and wearing luxury brands like Cartier. The song also discusses the loyalty and dangers of the lifestyle, with lines about being prepared for anything and not looking back. The chorus expresses apologies for not being available, as the singer is always working hard and staying vigilant in the controlled zone. The verses describe the street life, the pressure, and the need to be constantly on guard. Throughout the song, there are themes of loyalty, danger, and the harsh realities of urban life.