In this option you will see all the scheduled and completed reminders.
At first, you will see 2 tabs Scheduled and Completed.
In the scheduled tab, you can see all the scheduled reminders, when were they created and you can edit them with the help of edit CTA also you can delete any reminder with delete CTA.
You can create new reminders through Google Workspace by using /reminders command or through the dashboard with the help of create reminder CTA.
In the completed tab, you can see all the completed reminders.
You can reschedule the reminders or delete them with the help of there respective CTA.