This is the 1873rd most frequent Polish word.
marka
"Marka" in Polish means "brand" or "make."
Here, 'marki' means 'brand' and describes the manufacturer of a product.
Kupiłem nową kurtkę marki North Face.
I bought a new jacket of the North Face brand.
In this sentence, 'Marka' signifies the name and reputation of a product or company.
Marka tej samochodowej firmy jest znana na całym świecie.
The brand of this car company is known worldwide.
Here, 'Marka' refers to a personal name, demonstrating a proper noun usage.