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.

A step-by-step or full explanation about Answer. Can outline how this Answer was achieved or contain more broad clarification or statement about it.

Defines the week(s) of the month on which a recurring Event takes place. Specified as an Integer between 1-5. For clarity, byMonthWeek is best used in conjunction with byDay to indicate concepts like the first and third Mondays of a month.

Indicates the property or properties by which the variants in a [ProductGroup](https://schema.org/ProductGroup) vary, e.g. their size, color etc. Schema.org properties can be referenced by their short name e.g. "color"; terms defined elsewhere can be referenced with their URIs.

Indicates a textual identifier for a ProductGroup.

Indicates a [Product](https://schema.org/Product) that is a member of this [ProductGroup](https://schema.org/ProductGroup) (or [ProductModel](https://schema.org/ProductModel)).