Indicates a page or other link involved in archival of a [CreativeWork](https://schema.org/CreativeWork). In the case of [MediaReview](https://schema.org/MediaReview), the items in a [MediaReviewItem](https://schema.org/MediaReviewItem) may often become inaccessible, but be archived by archival, journalistic, activist, or law enforcement organizations. In such cases, the referenced page may not directly publish the content.

The size system used to identify a product's size. Typically either a standard (for example, "GS1" or "ISO-EN13402"), country code (for example "US" or "JP"), or a measuring system (for example "Metric" or "Imperial").

The size group (also known as "size type") for a product's size. Size groups are common in the fashion industry to define size segments and suggested audiences for wearable products. Multiple values can be combined, for example "men's big and tall", "petite maternity" or "regular".

Indicates the minimal number of months of experience required for a position.

A suggested range of body measurements for the intended audience or person, for example inseam between 32 and 34 inches or height between 170 and 190 cm. Typically found on a size chart for wearable products.

The age or age range for the intended audience or person, for example 3-12 months for infants, 1-5 years for toddlers.

Indicates whether a [JobPosting](https://schema.org/JobPosting) will accept experience (as indicated by [OccupationalExperienceRequirements](https://schema.org/OccupationalExperienceRequirements)) in place of its formal educational qualifications (as indicated by [educationRequirements](https://schema.org/educationRequirements)). If true, indicates that satisfying one of these requirements is sufficient.

A measurement of an item, For example, the inseam of pants, the wheel size of a bicycle, the gauge of a screw, or the carbon footprint measured for certification by an authority. Usually an exact measurement, but can also be a range of measurements for adjustable products, for example belts and ski bindings.

Identifies a price component (for example, a line item on an invoice), part of the total price for an offer.

Specifies after how much time this price (or price component) becomes valid and billing starts. Can be used, for example, to model a price increase after the first year of a subscription. The unit of measurement is specified by the unitCode property.

Specifies for how long this price (or price component) will be billed. Can be used, for example, to model the contractual duration of a subscription or payment plan. Type can be either a Duration or a Number (in which case the unit of measurement, for example month, is specified by the unitCode property).

A mathematical expression (e.g. 'x^2-3x=0') that may be solved for a specific variable, simplified, or transformed. This can take many formats, e.g. LaTeX, Ascii-Math, or math as you would write with a keyboard.

Text of an utterances (spoken words, lyrics etc.) that occurs at a certain section of a media object, represented as a [HyperTocEntry](https://schema.org/HyperTocEntry).

A [HyperTocEntry](https://schema.org/HyperTocEntry) can have a [tocContinuation](https://schema.org/tocContinuation) indicated, which is another [HyperTocEntry](https://schema.org/HyperTocEntry) that would be the default next item to play or render.

Indicates a [HyperTocEntry](https://schema.org/HyperTocEntry) in a [HyperToc](https://schema.org/HyperToc).

Text that can be used to credit person(s) and/or organization(s) associated with a published Creative Work.

Text of a notice appropriate for describing the copyright aspects of this Creative Work, ideally indicating the owner of the copyright for the Work.

For questions that are part of learning resources (e.g. Quiz), eduQuestionType indicates the format of question being given. Example: "Multiple choice", "Open ended", "Flashcard".

A schematic image showing the floorplan layout.

Defines the energy efficiency Category (which could be either a rating out of range of values or a yes/no certification) for a product according to an international energy efficiency standard.

Specifies the least energy efficient class on the regulated EU energy consumption scale for the product category a product belongs to. For example, energy consumption for televisions placed on the market after January 1, 2020 is scaled from D to A+++.

Specifies the most energy efficient class on the regulated EU energy consumption scale for the product category a product belongs to. For example, energy consumption for televisions placed on the market after January 1, 2020 is scaled from D to A+++.

A course or class that is one of the learning opportunities that constitute an educational / occupational program. No information is implied about whether the course is mandatory or optional; no guarantee is implied about whether the course will be available to everyone on the program.

Defines the energy efficiency Category (also known as "class" or "rating") for a product according to an international energy efficiency standard.