This is the 3152nd most frequent Polish word.
publicznego
"Publicznego" means "public" (genitive or accusative singular form in Polish).
Here, 'publicznego' pertains to 'użytku', meaning usage, indicating that the area is for public use.
Park znajduje się w centrum przestrzeni publicznego użytku.
The park is located in the center of a publicly accessible area.
In this sentence, 'publicznego' describes 'systemu', implying that the sound system is designated for public utilization.
Podczas wydarzenia użyliśmy publicznego systemu nagłośnienia.
During the event, we used the public address system.
Here, 'publicznego' refers to 'instytutu', highlighting its function as serving the public or being publicly managed.