What are the soccer team forms, in detail, do not just say 442,451,433,4231,343, what do they stand for ah.

442 refers to the form of the team: 4 defenders, 4 midfield, 2 strikers, the traditional double arrow (striker is the arrow)

451 refers to the form of the team: 4 defenders, 5 midfield, 1 striker, defensive counterattack type shape (single arrow)

433 refers to the form of the team: 4 defenders, 3 midfield, 3 strikers, needless to say. It is the attack-oriented ah.

4231 refers to the form of the team: 4 defenders, 3 midfielders, 1 striker, 2 free agents (responsible for complementary positions, the need to attack on the up, the need to defend on the down) flexible shape.

343 refers to the form of the team: 3 defenders, 4 midfield, 3 strikers, which is forced to suppress the midfield type, that is to say, I want to press you half to play, to work for the defense.