
• Backfield: The group of offensive players the running backs and quarterback who line up behind the offensive line
• Down: A period of action that starts when the ball is put into play and ends when the ball is ruled dead (meaning the play is completed). The offense gets four downs to advance the ball 10 yards. If it fails to do so, it must surrender the ball to the opponent, usually by punting on the fourth down.
• Drive: The series of plays when the offense has the football, until it punts or scores and the other team gets possession of the ball.
• End zone: A 10-yard-long area at each end of the field. You score a touchdown when you enter the end zone in control of the football. If you're tackled in your own end zone while in possession of the football, the other team gets a safety (2 points).
• Extra point: A kick, worth one point, that's typically attempted after every touchdown. The ball is placed on either the 2-yard line and is generally kicked from inside the 10-yard line after being snapped to the holder. It must go between the uprights and above the crossbar of the goalpost to be considered good.



