forward, foreword

Forward or forward means toward the front or goal, or in advance, physically--
All volunteers please step forward.
They moved forward cautiously, because it was dark.
Figuratively, forward is an old-fashioned way of saying impertinent or presumptuous--
Her grandmother thought the young man was too forward.
Forward also means to send on a letter or email to an alternate destination--
We are moving, so we need to ask the post office to forward the mail.
The technical help center told her to forward the email to them.
Forward is also a position on a sports team--
He was a forward, and the team depended on him.

Foreword or foreword means an introductory passage in the front of a book, article, or essay--
The foreword was written by a very popular author.
Some people always skip the foreword and introduction, and go straight to the book.

Now that you know that, you can say--
"The foreword of this article calls upon anyone with information about the incident to step forward."

Note--"forewarn" means to tell someone of trouble brewing, or to warn in advance--
"Forewarned is forearmed" means that if you know about trouble that might happen, you will be ready to fight it, because you will be "armed" in advance.
Not to be confused  with "forearm",  meaning your arm from the elbow to the wrist--
He has a tattoo on his right forearm.

Note # 2--"forworn" or "foreworn" are archaic ( no longer in use ) ways of saying tired or exhausted--
Forsooth, I am foreworn.

Note # 3--"forwards" is the third person singular ( he, she, it form ) of the verb "forward", meaning to send on the mail--
The post office forwards mail at no charge for a year.
"Forwards" may also mean moving toward the front--
In this dance, we go backwards and forwards.
"Forwards" may also be the plural ( more than one ) of "forward", the noun ( thing or idea)--
The forwards on the team met to discuss strategy.