This is where you will perform moderation actions on the member.

Those sanctions are quite straightforward. Note that for each sanctions you can precise a reason (why you decided to perform this action) a well as a duration See more details about those sanctions.
Also, note that once the sanctions have been applied, the boxes will get a new color so that you know which sanctions should be disabled later.

However, only the manager who enabled the sanction (or an administrator) can disable it.