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NFL Rulebook  
 
Reviewing the Calls Hit the books
Get ready for the 2005 season and learn the rules. Have you ever wondered what it meant when the referee puts his hands on his hips? Do you know where the back judge is positioned each play? Get the answers to these questions and more with the NFL.com Rulebook!
Digest of Rules
Digest of Rules This Digest of Rules of the National Football League has been prepared to aid players, fans, and members of the press, radio, and television media in their understanding of the game.
•  Digest of Rules
 
Beginner's Guide to Football
Beginner's Guide to Football Fans' knowledge of football varies greatly. For the advanced fan, stick to NFL.com stats and standings. If you are new to the sport and would like to learn more, here are a few basics.
•  Beginner's Guide to Football
 
Football Basics
Football Basics Ever wondered what the difference was between a wide receiver and a tight end? What is all that stuff that players wear? Playfootball.com gives you the lowdown.
•  Football Basics
 
NFL Official Signals
NFL Official Signals What does it mean when the referee puts his hands on his hips? Why is he crossing his arms? Find out with our complete list of official signals.
•  NFL Official Signals