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A notary.

A file containing a note, primarily for the author.

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Data type: Number. Usage guidelines: - Use values from 0123456789 (Unicode 'DIGIT ZERO' (U+0030) to 'DIGIT NINE' (U+0039)) rather than superficially similiar Unicode symbols. - Use '.' (Unicode 'FULL STOP' (U+002E)) rather than ',' to indicate a decimal point. Avoid using these symbols as a readability separator.

Nutritional information about the recipe.

Instances of the class [Observation](http://schema.org/Observation) are used to specify observations about an entity (which may or may not be an instance of a [StatisticalPopulation](http://schema.org/StatisticalPopulation)), at a particular time. The principal properties of an [Observation](http://schema.org/Observation) are [observedNode](http://schema.org/observedNode), [measuredProperty](http://schema.org/measuredProperty), [measuredValue](http://schema.org/measuredValue) (or [median](http://schema.org/median), etc.) and [observationDate](http://schema.org/observationDate) ([measuredProperty](http://schema.org/measuredProperty) properties can, but need not always, be W3C RDF Data Cube "measure properties", as in the [lifeExpectancy example](https://www.w3.org/TR/vocab-data-cube/#dsd-example)).See also [StatisticalPopulation](http://schema.org/StatisticalPopulation), and the [data and datasets](https://schema.org/docs/data-and-datasets.html) overview for more details.

A profession, may involve prolonged training and/or a formal qualification.

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A treatment of people with physical, emotional, or social problems, using purposeful activity to help them overcome or learn to deal with their problems.

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An ocean (for example, the Pacific).

An offer to transfer some rights to an item or to provide a service — for example, an offer to sell tickets to an event, to rent the DVD of a movie, to stream a TV show over the internet, to repair a motorcycle, or to loan a book. Note: As the [businessFunction](http://schema.org/businessFunction) property, which identifies the form of offer (e.g. sell, lease, repair, dispose), defaults to http://purl.org/goodrelations/v1#Sell; an Offer without a defined businessFunction value can be assumed to be an offer to sell. For [GTIN](http://www.gs1.org/barcodes/technical/idkeys/gtin)\-related fields, see [Check Digit calculator](http://www.gs1.org/barcodes/support/check_digit_calculator) and [validation guide](http://www.gs1us.org/resources/standards/gtin-validation-guide) from [GS1](http://www.gs1.org/).

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An OfferCatalog is an ItemList that contains related Offers and/or further OfferCatalogs that are offeredBy the same provider.

An [OfferForLease](http://schema.org/OfferForLease) in Schema.org represents an [Offer](http://schema.org/Offer) to lease out something, i.e. an [Offer](http://schema.org/Offer) whose [businessFunction](http://schema.org/businessFunction) is [lease out](http://purl.org/goodrelations/v1#LeaseOut.). See [Good Relations](https://en.wikipedia.org/wiki/GoodRelations) for background on the underlying concepts.

An [OfferForPurchase](http://schema.org/OfferForPurchase) in Schema.org represents an [Offer](http://schema.org/Offer) to sell something, i.e. an [Offer](http://schema.org/Offer) whose [businessFunction](http://schema.org/businessFunction) is [sell](http://purl.org/goodrelations/v1#Sell.). See [Good Relations](https://en.wikipedia.org/wiki/GoodRelations) for background on the underlying concepts.

A list of possible conditions for the item.

OfferShippingDetails - indicates the kinds of shipping options might be available for an online shopping offer.

An office equipment store.

A publication event e.g. catch-up TV or radio podcast, during which a program is available on-demand.

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A structured value providing information about the opening hours of a place or a certain service inside a place. The place is **open** if the [opens](http://schema.org/opens) property is specified, and **closed** otherwise. If the value for the [closes](http://schema.org/closes) property is less than the value for the [opens](http://schema.org/opens) property then the hour range is assumed to span over the next day.

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An [OpinionNewsArticle](http://schema.org/OpinionNewsArticle) is a [NewsArticle](http://schema.org/NewsArticle) that primarily expresses opinions rather than journalistic reporting of news and events. For example, a [NewsArticle](http://schema.org/NewsArticle) consisting of a column or [Blog](http://schema.org/Blog)/[BlogPosting](http://schema.org/BlogPosting) entry in the Opinions section of a news publication.

A store that sells reading glasses and similar devices for improving vision.

An order is a confirmation of a transaction (a receipt), which can contain multiple line items, each represented by an Offer that has been accepted by the customer.

An agent orders an object/product/service to be delivered/sent.

An order item is a line of an order. It includes the quantity and shipping details of a bought offer.

Enumerated status values for Order.

An organization such as a school, NGO, corporation, club, etc.

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schemall.com Organization: project subclass of schema.org/Organization used for companies, NGOs, and other org entities.

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A subclass of Role used to describe roles within organizations.

The act of manipulating/administering/supervising/controlling one or more objects.