The typical expected age range, e.g. '7-9', '11-'.
URL of the item.
The schema.org [usageInfo](https://schema.org/usageInfo) property indicates further information about a [CreativeWork](https://schema.org/CreativeWork). This property is applicable both to works that are freely available and to those that require payment or other transactions. It can reference additional information, e.g. community expectations on preferred linking and citation conventions, as well as purchasing details. For something that can be commercially licensed, usageInfo can provide detailed, resource-specific information about licensing options.
This property can be used alongside the license property which indicates license(s) applicable to some piece of content. The usageInfo property can provide information about other licensing options, e.g. acquiring commercial usage rights for an image that is also available under non-commercial creative commons licenses.
The duration of validity of a permit or similar thing.
The geographic area where the item is valid. Applies for example to a [Permit](https://schema.org/Permit), a [Certification](https://schema.org/Certification), or an [EducationalOccupationalCredential](https://schema.org/EducationalOccupationalCredential).
The version of the CreativeWork embodied by a specified resource.
An embedded video object.
The number of words in the text of the CreativeWork such as an Article, Book, etc.
Example/instance/realization/derivation of the concept of this creative work. E.g. the paperback edition, first edition, or e-book.
A work that is a translation of the content of this work. E.g. 西遊記 has an English workTranslation “Journey to the West”, a German workTranslation “Monkeys Pilgerfahrt” and a Vietnamese translation Tây du ký bình khảo.