Alerts and notifications help you stay up to date on your account activity.
Alerts: Reminders on expected KR updates, Objectives, and planning updates. Alerts will remind you to take the necessary action on the O and KR to avoid last-minute delays.
Notifications: These are all in-application actions taken by the other users of the system. Such actions involve accepting/declining a KR assignment, deleting any objective, or notifying any activity undertaken by other users, where the logged-in user is also a part of an OKR.