This is the 8779th most frequent French word.
bijoux
Jewelry or small decorative ornaments.
Here the word 'bijoux' is used to refer to the physical items of jewelry, denoting ornamental accessories.
Les bijoux de ma grand-mère sont magnifiques.
My grandmother's jewelry is magnificent.
In this case, 'bijou' (singular form) is metaphorically used to describe something precious or beautiful.
La ville est un bijou caché au milieu des montagnes.
The city is a hidden gem in the middle of the mountains.
Here 'bijoux' again refers to jewelry, emphasizing the storefronts specialized in selling these items.