This is the 2940th most frequent Catalan word.
extensa
Extensa: Extensive.
Here, 'extensa' describes the large and comprehensive collection that the library has.
La biblioteca té una extensa col·lecció de llibres.
The library has an extensive collection of books.
In this context, 'extensa' refers to the large geographical area occupied by the beach.
La platja s'estén per una zona extensa de la costa.
The beach stretches across an extensive area of the coast.
Here, 'extensa' indicates the thorough and detailed nature of the research carried out.