Keywords: letter (post), mail, dispatch
Sign Definition
As a Noun
                                            1.  A message written on a piece of paper and sent through the mail to someone. English = mail out.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To send a message written on a piece of paper through the mail to lots of different people; notify by mail or post.
                                          
                                          
                                         
                  
                      