INTERNATIONAL: The Five Basic Sauces and Variants from The Spruce Eats - LOTS AND LOTS OF CLICKABLE SAUCE LINKS

I have researched many areas of the internet for sauces, their derivations and more!!  This link from The Spruce Eats is an excellent coverage of the history and nature of THE SAUCE. 

LINK TO SAUCES INCLUDING THE FIVE MOTHER

 SAUCES AND MORE!!

See generic photos of sauces below!!