The page number in a page break.

This attribute has a defined list of values, which include definitions that represent instructions for supplying content to translation services. This attribute should only be used if some sort of pre-processing is necessary to support translation of the content.

"property-name" — adds a property to a microdata item. The name of the property can be a word or URL, and the value is the ‘content’ of the element with this attribute.

Defines a group of name-value pair(s), called an item

defines the item’s type when used on the same element as itemscope. The itemtype value is a URL that acts as an identifying vocabulary name.