This is the 1278th most frequent French word.
concernées
"Concernées" means "concerned" or "affected" (feminine plural).
Here, 'concernées' is used as an adjective meaning 'involved' to qualify 'parties'.
Les mesures proposées seront bénéfiques pour toutes les parties concernées.
The proposed measures will benefit all the involved parties.
In this sentence, 'concernées' describes 'authorities' and means 'relevant'.
Les autorités concernées examinent actuellement le problème.
The relevant authorities are currently examining the issue.
Here, 'concernées' refers to 'individuals', meaning those whom the meeting pertains to.