The following columns are specific to the selected dimension.
A Single Dimension
The Top Campaign Content report supports a single dimension only. Nonetheless, we can still categorize columns as standard or dimension-specific.
The unique id of the Item.
The unique title (display name) of the Item.
The description for this item.
The thumbnail_url of the Item.
The url of the Item.
Date (ISO 8601)
The date-time on which the item was created.
The learning status of the Item.
EMPTY_DISPLAY (aka NONE)
For more detail, see the following Help Center article: Creative Expedition