The 
                  address element represents both physical locations (postal, geographic, etc.) and virtual locations (http, email, ftp, etc.).
                  
               
The 
                  Block variant is an adaptation for use marking multi-line addresses (e.g., postal addresses).
                  
               
 The 
                  
                     role
                      attribute optionally expresses the type of address. If omitted, the implicit value 
                  postal is assumed.