The basic rules of American Football for novices. The purpose of American football is to move the ball towards the opposition's end zone and ultimately into. Ninh Ly has spent the last few years putting together a series of excellent videos describing a range of sports including NFL and CFL football. Simple guide to the basics of American football. DOWNS Downs are the most fundamental, and confusing, part of the NFL rulebook. If a coach feels a rule has been misinterpreted, he may call timeout and request a coach-referee conference to discuss the ruling with the referee, but no replay equipment will be consulted during the conference. Navigation menu Personal tools Not logged in Talk Contributions Create account Log in. The safety is worth two points. During preseason and regular season games, only one overtime period is played and the game can simply end in a tie; during playoff games, multiple overtime periods may be held until one team scores. If the offense does not advance at least 10 yards during their 4 downs, the team without the ball the defense regains control of the ball called book of ra 6 linien on downs.