This is the 5759th most frequent Catalan word.
fosca
"Fosca" means "darkness" or "obscurity" in English.
Here, 'fosca' is used as an adjective to describe the darkness of the night, emphasizing its lack of brightness.
La nit és fosca i misteriosa.
The night is dark and mysterious.
In this context, 'fosca' describes the room as lacking sufficient light, applying to physical darkness.
Vaig trobar una habitació fosca al passadís.
I found a dark room in the hallway.
Here, 'fosca' metaphorically describes the explanation as being unclear or difficult to understand, demonstrating its abstract usage.