Keywords: sign language, sign (sign language), meaning, significance, mean (signify), signify
Sign Definition
As a Noun
                                            1.  A language which is made and communicated by using visual-gestural signs. English = sign language, sign.
                                          
                                          
                                        
                                            2.  The thing that a single unit of a language (word or sign) or a whole expression refers to or expresses. Often this 'thing' is just other words and signs, rather than something you can point at. English = meaning, significance.
                                          
                                          
                                        
                                            3.  A single visual-gestural unit of a sign language. English = sign.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To communicate with someone using a sign language. English = sign.
                                          
                                          
                                        
                                            2.  Of a unit of language (word or sign) or a whole expression, to refer to a thing or idea or express something. English = mean. Formal English = signify.
                                          
                                          
                                        
                                            3.  To intend to communicate a particular message. English = mean.
                                          
                                          
                                        As Modifier
                                            1.  Used at the beginning of a sentence to mean that you are about to explain something again more clearly or to justify something you have said. English = I mean..., What I mean is....
                                          
                                          
                                         
                  
                      