The Dublin Core schema provides a set of commonly used XMP properties.

• Exiv2 keys are Xmp.dc.<Property>
• The schema namespace URI is http://purl.org/dc/elements/1.1/
• The preferred schema namespace prefix is dc

Reference: XMP Specification and Documentation

Property	Label	Value type	Exiv2 type	Category	Description
contributor	Contributor	bag ProperName	XmpBag	External	Contributors to the resource (other than the authors).
coverage	Coverage	Text	XmpText	External	The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant.
creator	Creator	seq ProperName	XmpSeq	External	The authors of the resource (listed in order of precedence, if significant).
date	Date	seq Date	XmpSeq	External	Date(s) that something interesting happened to the resource.
description	Description	Lang Alt	LangAlt	External	A textual description of the content of the resource. Multiple values may be present for different languages.
format	Format	MIMEType	XmpText	Internal	The file format used when saving the resource. Tools and applications should set this property to the save format of the data. It may include appropriate qualifiers.
identifier	Identifier	Text	XmpText	External	Unique identifier of the resource. Recommended best practice is to identify the resource by means of a string conforming to a formal identification system.
language	Language	bag Locale	XmpBag	Internal	An unordered array specifying the languages used in the resource.
publisher	Publisher	bag ProperName	XmpBag	External	An entity responsible for making the resource available. Examples of a Publisher include a person, an organization, or a service. Typically, the name of a Publisher should be used to indicate the entity.
relation	Relation	bag Text	XmpBag	Internal	Relationships to other documents. Recommended best practice is to identify the related resource by means of a string conforming to a formal identification system.
rights	Rights	Lang Alt	LangAlt	External	Informal rights statement, selected by language. Typically, rights information includes a statement about various property rights associated with the resource, including intellectual property rights.
source	Source	Text	XmpText	External	Unique identifier of the work from which this resource was derived.
subject	Subject	bag Text	XmpBag	External	An unordered array of descriptive phrases or keywords that specify the topic of the content of the resource.
title	Title	Lang Alt	LangAlt	External	The title of the document, or the name given to the resource. Typically, it will be a name by which the resource is formally known.
type	Type	bag open Choice	XmpBag	External	A document type; for example, novel, poem, or working paper.