preface
US /ˈpref.ɪs/
UK /ˈpref.ɪs/

1.
prefacio, prólogo
an introduction to a book, especially one that states the author's aims
:
•
The author wrote a detailed preface explaining his motivations for writing the book.
El autor escribió un prefacio detallado explicando sus motivaciones para escribir el libro.
•
Always read the preface first to get an overview of the book's content.
Siempre lee el prefacio primero para obtener una visión general del contenido del libro.
1.
preceder, introducir
to serve as an introduction or a preliminary to
:
•
The short speech will preface the main presentation.
El breve discurso precederá la presentación principal.
•
He chose to preface his remarks with a personal anecdote.
Eligió preceder sus comentarios con una anécdota personal.