This is the 1086th most frequent Polish word.
marki
"Marki" in Polish means "brands" or is the name of a town in Poland, depending on context.
In this sentence, 'marki' is used in the context of 'brands,' referring to car brands specifically, and it is the plural form of 'marka.'
Najpopularniejsze marki samochodów w Polsce to Toyota i Volkswagen.
The most popular car brands in Poland are Toyota and Volkswagen.
Here, 'marki' continues to refer to 'brands,' demonstrating continuation of the subject from the previous sentence, maintaining its plural form.
Marki te są znane na całym świecie.
These brands are known all over the world.
In this sentence, 'Marki' is a proper noun, specifically the name of a city in Poland, thus showcasing a distinct usage of the word.