Notifications have a rich vocabulary that should be defined to facilitate the use of that tool, documentation translation or just to have a common definition for people who are working in this area.
List of terms which should be defines (please add any missing one):
* Notification
* Alert
* Notice
* description
* ~~edit (“your edit”)~~
* ~~collection (“your collection”)~~
* ~~reviewer ("A reviewer approved your page…”)~~
* Tags
* ~~volunteer (“You have been added as a campus volunteer …")~~
* unsubscribed
* Instance
* topic
* summary
* highlight
* read -> blue dot
* panel (aka flyout, dropdown, etc)
* badge (the colored numbers)
* Mention: >> See [[Special:MyLanguage/Help:Notifications/Notifications_types#Mentions]]
* Notification header
* Notification body
* Primary link
* Secondary links
* Cross-wiki notifications
* Special:Notifications