Keywords: tabula rasa, no idea, blank mind
Sign Definition
As a Noun
                                            1. A mind which has no ideas or thoughts in it at all; a mind which is empty. Formal English = tabula rasa.
                                          
                                          
                                        As a Verb or Adjective
                                            1. To have no ideas or thoughts at all; to have a blank mind.
                                          
                                          
                                         
                  
                      