This is the 6412th most frequent Russian word.
широкое
Wide.
Here, 'широкое' is used as an adjective describing the dimension of the window, emphasizing its width.
У нас широкое окно в комнате.
We have a wide window in the room.
In this sentence, 'широкое' metaphorically describes the range of knowledge, emphasizing its breadth and comprehensiveness.
Он обладает широкими знаниями в искусстве.
He possesses extensive knowledge in art.
Here, 'широкое' describes the variety, indicating the richness and extensiveness of the offered products.