In your Library in Contribute, authors can view topics or books based on structured templates and their "object-level" validation status (whether all of the rules for the object have validated or not). Structured Authoring rules, such as paragraph rules in a topic, or object structure rules in a book, cannot be viewed in Contribute. Object-level validation is instead checked when a release state is applied to content.
The folder list shows the following object-level validation states for objects: