introduction

noun4

1. •
   The act or process of introducing.
2. •
   An initial section of a book or article, which introduces the subject material.

   • This book features a preface by a well-known botanist, and an introduction by the author's mentor at university.
3. •
   A written or oral explanation of what constitutes the basis of an issue.
4. •
   A means, such as a personal letter, of presenting one person to another.

   • David was feeling groggy at his introduction to Sophie, and didn't remember her name.