Keywords: exchange, trade in, conversion, transformation, convert, transform
Sign Definition
As a Noun
                                            1.  Something which is given to someone at the same time they give you something. English = exchange.
                                          
                                          
                                        
                                            2.  A business deal in which someone buys a new car, washing machine, etc. at a reduced price by giving an old car, washing machine, etc. as well as money in payment. English = trade in.
                                          
                                          
                                        
                                            3.  The change of the use of something to another use; or the change in religious beliefs from one religion to another. English = conversion.
                                          
                                          
                                        
                                            4.  [With stress] A complete change in something. English = transformation.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of two or more people, to give each other something at the same time; to replace one thing with another, especially something you have bought, because the other thing is more satisfactory or more useful. English = exchange.
                                          
                                          
                                        
                                            2.  To buy a new car, washing machine, etc. at a reduced price by giving an old car, washing machine, etc. as well as money in payment. English = trade in.
                                          
                                          
                                        
                                            3.  To change the use of something from one thing to another; or to change religious beliefs from one religion to another. English = convert.
                                          
                                          
                                        
                                            4. [With stress] to completely change something. English = transform.
                                          
                                          
                                         
                  
                      