This is the 10918th most frequent French word.
parlés
"Parlés" means "spoken" in English.
In this sentence, 'parlés' is used as a past participle of 'parler', describing the words that were spoken (passive use).
Les mots parlés hier étaient très significatifs.
The words spoken yesterday were very meaningful.
'Parlés' here describes dialects that are being/were spoken, again acting as a past participle in a passive construction.
Ils ont différencié les dialectes parlés dans cette région.
They differentiated the dialects spoken in this region.
The word 'parlés' refers to topics that were discussed or spoken about in the meeting, functioning in a passive sense as topics 'spoken about'.