© 2026 Schemall· The source of structured meaning
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The subject matter of an object.
An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.org [style guide](https://schema.org/docs/styleguide.html).
An alias for the item.
Date of first publication or broadcast. For example the date a [CreativeWork](https://schema.org/CreativeWork) was broadcast or a [Certification](https://schema.org/Certification) was issued.
A description of the item.
A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
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The grammatical case category assigned to the token.
The grammatical gender category assigned to the token.
The grammatical number category assigned to the token.
The identifier property represents any kind of identifier for any kind of [Thing](https://schema.org/Thing), such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See [background notes](https://schema.org/docs/datamodel.html#identifierBg) for more details.
An image of the item. This can be a [URL](https://schema.org/URL) or a fully described [ImageObject](https://schema.org/ImageObject).
A [DefinedTermSet](https://schema.org/DefinedTermSet) that contains this term.
The language of the content or performance or used in an action. Please use one of the language codes from the [IETF BCP 47 standard](http://tools.ietf.org/html/bcp47). See also [availableLanguage](https://schema.org/availableLanguage).
The canonical dictionary form (lemma) for the token.
The schema.org class for which this LinguisticToken is an inflected form.
The schema.org property for which this LinguisticToken is an inflected form.
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See [background notes](https://schema.org/docs/datamodel.html#mainEntityBackground) for details.
The name of the item.
A person or organization who owns this Thing.
Universal Dependencies part-of-speech category assigned to the token.
Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
A CreativeWork or Event about this Thing.
A code that identifies this [DefinedTerm](https://schema.org/DefinedTerm) within a [DefinedTermSet](https://schema.org/DefinedTermSet).
URL of the item.
