This is the 5592nd most frequent Catalan word.
diverses
"Various" or "several."
In this sentence, 'diverses' means 'several' or 'various' and is used as a plural determiner to indicate multiple entities.
He llegit diverses històries interessants.
I have read several interesting stories.
Here, 'diverses' is used as an adjective meaning 'diverse' to describe the range or variety within the noun 'opinions'.
Les opinions sobre el tema són diverses.
The opinions on the topic are diverse.
In this case, 'diverses' once again serves as a plural determiner implying multiple instances of the noun 'conferències'.