It can be an introductory scene of a play or the preface to a novel
[DOC] [TLE] What's the difference between an introduction, a ... - Alan Headbloom [PAR] introduction: something that introduces, including a part of a book or treatise ... 
work or the final scene of a play that comments on or summarizes the main action [DOC] [TLE] Introduction to Theatre - THEA 131 [PAR] WHAT IS THEATRE AND PLAY ANALYSIS ELEMENTS ...