existing-classes

Term	Parents	Children	Origin	Quick Definition
adr	vcard	country-name, extended-address, locality, postal-code, post-office-box, street-address,region, type, value	hCard	Address of the object.
bday	vcard		hCard	The birth date of the object.
category	vcard, hreview		hCard	Application category of the object.
class	vcard		hCard	The access classification of the object. For example, public or private.
country-name	adr, value		hCard	Name of the country for this particular address.
description	hreview		hReview	Full text of the description. (Not to be confused with the much longer "summary")
dtend	vevent		hCalendar	Ending date of the object.
dtreviewed	hreview		hReview	Date the review was written, NOT necessarily when the review took place.
dtstart	vevent		hCalendar	Starting date of the object. (Not to be confused with bday)
email	vcard, hreview	type, value	hCard	This object's email address.
extended-address	adr, value		hCard	Extended address for this particular address.
fn	vcard, hreview		hCard	The name of the object.
geo	vcard	latitude, longitude	hCard	Geographical coordinates of the object.
hreview	*webpage		hReview	A review of some object.
item	hreview		hReview	The item that the object exists for. For example, a review about Coca-Cola would list "Coca-Cola" as the item.
key	vcard	type, value	hCard	Public key of the object
label	vcard		hCard	Formatting to be used by a delivery address label.
latitude	geo		hCard	The latitude coordinates of the object.
locality	adr, value		hCard	Locality for this particular address.
location	vevent		hCalendar	Intended venue of object. (Not to be confused with adr)
logo	vcard		hCard	Object's logo.
longitude	geo		hCard	The longitude coordinates of the object.
mailer	vcard		hCard	Email software used by the object.
n	vcard	additional-name, family-name, given-name, honorific-prefix, honorific-suffix, nickname	hCard	The name of the unit
note	vcard		hCard	Supplemental information about the object.
org	vcard	organization-name, organization-unit	hCard	The organization or company of the object.
organization-name	org		hCard	The name of the organization or company of the object.
organization-unit	org		hCard	The unit or department of the object.
permalink	hreview		hReview	A link to the object. This link should never become invalid. Used in <a>
photo	vcard, hreview		hCard	A photo of the object. Used in <img>
post-office-box	adr, value		hCard	Post office box number of this particular address.
postal-code	adr, value		hCard	Postal code for this particular address.
profile	*webpage		XMDP	Contains metadata types and definitions. Used in <dl>
rating	hreview		hReview	Rating of 1-5 or 0-10 of the object.
region	adr, value		hCard	Region of this particular address.
rev	vcard		hCard	Specifies revision of the hCard.
reviewer	hreview	vcard	hReview	Person that wrote the review of the object.
role	vcard		hCard	Information regarding the role of the object.
sort-string	vcard		hCard	String used to sort this object in an alphabetical list.
sound	*any		hCard	Audio reading back another element's content. By default, the "fn".
street-address	adr, value		hCard	Street address of this particular address.
summary	vevent , hreview		hCalendar	A short summary or subject for the object.
tel	vcard	type, value	hCard	Telephone number of the object
title	vcard		hCard	Job title or functional position of the object.
type	adr, email, tel		hCard	Defines a type of the parent element. For instance a type of telephone number such as home or work.. Used in conjunction with "value".
tz	vcard		hCard	The timezone the object is in.
uid	*any		hCard	Globally unique identifier associated with the object, or one of the object's properties.
url	vcard, vevent , hreview		hCard	A link to the this object's home page or extended profile. Used in <a>
value	adr, email, tel		hCard	Used in conjunction with "type". The actual value of a particular type. For instance a telephone number of type work such as +1.415.555.1212.
vcalendar	*webpage	vevent	hCalendar	A list of calendar events.
vcard	*webpage, vevent		hCard	Indicates that this element and all containing elements are part of the hCard microformat.
vevent	*webpage, vcalendar		hCalendar	Indicates that this element and all contained elements are part of the hCalendar format.
version	hreview		hReview	Version of the format used for the object.
xoxo	*webpage		XOXO	An outline of data. Used in <ul> and <ol>.