Keywords: look back, recall (remember), recollections
Sign Definition
As a Noun
                                            1.  Thoughts about things that happened in the past. English = recollections.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To think about things that happened in the past. English = look back.
                                          
                                          
                                        As Modifier
                                            1.  Used at the beginning of a sentence to indicate that you are thinking about things that happened in the past. English = looking back. Formal English = on reflection.
                                          
                                          
                                         
                  
                      