an introduction to a book, often describing the author

introduction to a document

introduction

something new; something that begins

the process of introducing or being introduced; an opening part of a letter, speech, etc; explanatory article at or before the beginning of a book

something new; something that begins

an approach made (to a person) with the aim of starting discussions; a composition played as an introduction, especially to an opera

introduction, approach

an author's explanatory remarks at the beginning of a book; to begin with

introduction

an action, event etc that acts as an introduction (to something more important)

beginning of event

the instructory (part of a) poem or play

preface