This is the 262nd most frequent Italian word.
fondamentale
Essential; fundamental.
Here, 'fondamentale' describes the essential and intrinsic nature of the 'right' mentioned.
La libertà di espressione è un diritto fondamentale.
Freedom of expression is a fundamental right.
Here, 'fondamentale' conveys the absolute necessity of a good internet connection for performing work tasks effectively.
Nel mio lavoro, avere una buona connessione internet è fondamentale.
In my job, having a good internet connection is fundamental.
'Fondamentale' in this context emphasizes the critical importance of learning grammar for achieving fluency in a language.