This is the 85th most frequent Slovak word.
sociálnej
The Slovak word "sociálnej" means "social" in English, in the feminine singular genitive or dative case.
In this sentence, 'sociálnej' qualifies the type of faculty as 'social' (pertaining to social aspects or social work).
Študujem na fakulte sociálnej práce.
I study at the Faculty of Social Work.
Here, 'sociálnej' modifies 'oblasti', indicating that the sphere discussed is related to societal or social dimensions.
Táto téma patrí do sociálnej oblasti.
This topic belongs to the social sphere.
In this example, 'sociálnej' qualifies 'úrovni', specifying that the improvement is to be made concerning social standards or perspectives.