This is the 12783rd most frequent Polish word.
niezbędna
Essential.
The word 'niezbędna' is used here as an adjective to describe the necessity of communication as critical for effective group collaboration.
Komunikacja jest niezbędna w skutecznej pracy zespołu.
Communication is essential in effective teamwork.
'Niezbędną' serves the function of describing the documentation as imperative or required for addressing the problem at hand.
Znalazłem niezbędną dokumentację potrzebną do rozwiązania problemu.
I found the necessary documentation needed to solve the issue.
In this instance, 'niezbędne' illustrates the importance or indispensability of tools in ensuring the effectiveness of the mentioned process.