This means you will no longer receive any emails whenever a member from this online community creates a new discussion or makes a new announcement. You may turn your notifications on at any point using the toggle at the bottom of the community's "Actions" menu.
This means you will receive an email notification whenever a member of this online community creates a new discussion or makes a new announcement. These notifications are community-specific, and you may turn them on or off independently at your convenience. Click on the community's "Actions" button and use the toggle to set your preferences as you see fit.