Keywords: lecture, lecturer, speech, speaker, sermon, testimony, preach, testify
Sign Definition
As a Noun
                                            1.  A talk that someone gives in order to teach people about a particular subject. English = lecture.
                                          
                                          
                                        
                                            2. A person who talks to a group of people about a particular subject. English = speaker.
                                          
                                          
                                        
                                            3.  A person who teaches at a university or college. English = lecturer.
                                          
                                          
                                        
                                            4.  A formal talk that someone gives to lots of people; a formal talk given by a religious figure. English = speech; sermon.
                                          
                                          
                                        
                                            5.  A formal statement that someone makes, especially in a court of law. English = testimony.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To give a talk in order to teach people about a particular subject. English = lecture.
                                          
                                          
                                        
                                            2.  To give a formal talk to lots of people. English = make a speech.
                                          
                                          
                                        
                                            3.  (When referring to a religious figure) to give a formal talk in a place of worship. English = preach, give a sermon.
                                          
                                          
                                        
                                            4.  To make a formal statement, especially in a court of law. English = testify.
                                          
                                          
                                         
                  
                      