This is the 4487th most frequent Polish word.
komunikację
"Komunikację" is the accusative or singular form in Polish for "communication."
The word 'komunikację' here is used as the object of the verb 'poprawić', referring to the act of communication within a group.
Musimy poprawić komunikację w zespole.
We need to improve communication within the team.
In this sentence, 'komunikację' denotes the transportation system within the city, showing its use in contexts other than interpersonal communication.
Ulice zamknięto, co utrudniło komunikację w mieście.
The streets were closed, which hindered transportation in the city.
Here, 'komunikacji' is used as a noun to describe the medium or act through which ideas and feelings are expressed between people, emphasizing the conceptual aspect of communication.