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Inside the P3P Harmonized Vocabulary

Although the P3P specification doesn't restrict privacy policies to a single vocabulary, the P3P harmonized vocabulary is currently the vocabulary of choice for authoring privacy policies. The harmonized vocabulary provides a base set of elements that can be used to express a wide range of privacy policies. The following are the core elements defined in the harmonized vocabulary:

• PROP

• ASSURANCE

• REALM

• VOC:DISCLOSURE

• STATEMENT

• DATA:REF

The next few sections will cover the details of these elements. Then, you'll see them in action in a complete P3P privacy policy.

The PROP Element

The PROP element serves as a container that holds other P3P elements. Functionally, it's somewhat like a document element for P3P content. ...