The number of employees in an organization, e.g. business.

The size of the business in annual revenue.

The age of the business.

The amount of time that is required between accepting the offer and the actual usage of the resource or service.

The typical delay between the receipt of the order and the goods either leaving the warehouse or being prepared for pickup, in case the delivery method is on site pickup.

The duration for which the given offer is valid.

The interval and unit of measurement of ordering quantities for which the offer or price specification is valid. This allows e.g. specifying that a certain freight charge is valid only for a certain quantity.

The current approximate inventory level for the item or items.

The duration of the item (movie, audio recording, event, etc.) in [ISO 8601 duration format](http://en.wikipedia.org/wiki/ISO_8601).

Length of time to engage in the activity.

How often one should engage in the activity.

Quantitative measure gauging the degree of force involved in the exercise, for example, heartbeats per minute. May include the velocity of the movement.

Number of times one should repeat the activity.

How often one should break from the activity.

Quantitative measure of the physiologic output of the exercise; also referred to as energy expenditure.

Number of people the reservation should accommodate.

Indicate how many people can play this game (minimum, maximum, or range).

The number of adults staying in the unit.

The number of children staying in the unit.

The height of the item.

The width of the item.

The number of the item ordered. If the property is not set, assume the quantity is one.

The weight of the product or person.

The depth of the item.