This is the 1470th most frequent Portuguese word.
artística
Artistic.
Here, 'artístico' refers to the subject's proficiency in artistic endeavors, used as an adjective to describe 'talento'.
Ela tem um talento artístico incrível.
She has an incredible artistic talent.
In this context, 'artística' qualifies 'expressão', indicating that the painting represents an art form.
A pintura na parede é uma expressão artística.
The painting on the wall is an artistic expression.
The word 'artística' here describes the nature of the performance, emphasizing its creative and art-related aspects.