American football quarterback password in some cases

I want to know what happened to this football quarterback
In some cases, quarterbacks will line up at the tailback (TB) position 7 yards behind the center, forming the so-called "shotgun formation", which is mostly an attack method of throwing and passing long balls. Quarterbacks in American football are like point guards in basketballAmerican football rules
Every attack starts with the kick-off. On the starting line, the quarterback shouted out a command of offensive tactics, and the center in front of him passed the ball to the quarterback or handed the ball to the quarterback from his crotch, and then the quarterback decided whether to pass the ball or run the ball. There are two ways of attacking the running ballQuarterback analysis in football
The quarterback is usually the brain, and sometimes he will personally take on the mission of scoring. The quarterback is usually intelligent and physically weak. Personally, he thinks that attacking the quarterback is the most ferocious quarterback. The quarterback is a position in football. It is like the organizing back guard in basketball. He should have a good ability to observe the game and pass the ballThe training methods of quarterback elements in American football also have some rules and pitching methods

All rules of American football
Rules: American football matches are played between two teams with a maximum of 53 players (NFL rules). Both sides send 11 players to play, and can change some or all of the players at any time. The one who gets the ball control is the attacker, whose goal is to push the ball to the opponent's position as far as possibleWhen American football is ready to attack, the quarterback yells red 34 (actually I don't know) or what else is it
It is a strategy in attack. Only the players and coaches know what it means (how to attack)Who knows the rules of American football? Explain the situation of each team in NFL. Thanks_ Baidu knows
American football scores in the form of: 6 points for touchdown with the ball; After reaching the array, kick and shoot, and score 1 point; 3 points will be given if the shot is made during the competition; If the opponent is forced into a dead ball in the opponent's division, it will be counted as a safety score, and 2 points will be obtained. Rules of football match. A kick given to a non foul team after a foulWhat are the NFL offensive rules
Every attack starts with the kick-off. On the starting line, the quarterback shouted out a command of offensive tactics, and the center in front of him passed the ball to the quarterback or handed the ball to the quarterback from his crotch, and then the quarterback decided whether to pass the ball or run the ball. There are two ways of attacking the running ballWhat does quarterback's long biography mean
A quarterback is usually the first person to touch the ball except the center. After receiving the center's service, he can pass, throw long passes to the running guard, near peak and outfielder, or charge with the ball. A quarterback who is good at both passing and charging is usually called a dual thread quarterbackWhat offensive positions do NFL teams have
Then quickly change to other tactics. (2) When the quarterback gives a clear command, the ball will be handed to the quarterback. At the same time, a game of defense begins Because the ball is usually passed from the quarterback, the quarterback must have good passing skills, and the quarterback must have faster speed