What do the different creative statuses mean?

NO CREATIVE: No creatives were added for this Campaign. The Campaign will not deliver until a creative is added and approved.

UNDER REVIEW: A creative has been added, and is waiting to be approved by the Nine Ad Manger team.

APPROVED: The creative was approved by the Nine Ad Manager team.

ACTIVE: At least one creative was added and approved, the campaign has started.

INACTIVE: The creative have been inactivated and is no longer shown to the audience.

REJECTED: The creative was rejected and if this was the only creative, the Campaign cannot deliver.

EXPIRED: The Campaign passed the End date before a Creative was approved.