Container element for contact information such as a postal address for a person or organization.
Any combination of:
<addr-line> Address Line
<country> Country: in an Address
<fax> Fax Number: in an Address
<institution> Institution Name: in an Address
<phone> Phone Number: in an Address
<email> Email Address
<ext-link> External Link
<uri> Uniform Resource Indicator (URI)
<label> Label (of an Equation, Figure, Reference, etc.)
<x> X - Generated Text and Punctuation