The definition of a foreward is a short introduction to a book, often written by someone other than the book's author.
The section at the beginning of a book about a politicians life that is written by the politician himself, instead of by the author of the rest of the book, is an example of a foreward.
an introductory statement to a book, esp. one written by someone other than the book's author
Origin of forewordtranslated, translation of German vorwort ; from vor, fore + wort, word
A preface or an introductory note, as for a book, especially by a person other than the author.