This is the 3509th most frequent Catalan word.
las
"Las" is the feminine plural definite article in Catalan, meaning "the" in English.
Here, 'las' (contracted to 'les' in Catalan) is used as a definite article for feminine plural nouns, referring to 'flors' (flowers).
Vaig veure les flors al jardí.
I saw the flowers in the garden.
In this sentence, 'las' is used as a definite article before the feminine plural noun 'persones' (people) to specify a defined group.
Elles són las persones responsables de l'èxit.
They are the people responsible for the success.
'Las' (contracted to 'les' in Catalan) is used as a definite article for feminine plural nouns to describe 'cases' (houses), combining it with a descriptor such as 'velles' (old).