This is the 8232nd most frequent Spanish word.
paulina
"Paulina" is a proper noun, typically used as a female given name, equivalent to "Pauline" in English.
In this sentence, 'Paulina' is used as a proper noun, specifically someone's name.
Paulina es una amiga muy querida.
Paulina is a very dear friend.
Here, 'paulina' functions as a descriptive adjective, likely referring to a magazine related to or named 'Pauline'.
Compré una revista paulina para coleccionarla.
I bought a Pauline magazine to collect it.
In this usage, 'paulina' acts as an adjective derived from a name, describing a style possibly associated with or inspired by 'Paulina'.