sort the descriptions according to whether each is a characteristic of a foreword or an introduction…

sort the descriptions according to whether each is a characteristic of a foreword or an introduction. explains importance gives books background is done by another expert is written by the author is signed by its author explains books contents
Answer
Breve explicación:
El prólogo (foreword) suele ser escrito por alguien distinto al autor, como otro experto, y suele firmarse. La introducción (introduction) es escrita por el autor del libro y explica la importancia, da contexto y describe el contenido del libro.
Respuesta:
Foreword: is done by another expert, is signed by its author Introduction: explains importance, gives book's background, is written by the author, explains book's contents