Goal (sport) placed at each end of the playing field. Each structure usually consists of two vertical posts, called "goal posts", supporting a horizontal "crossbar". A "goal line" marked on the playing surface between the goal posts demarcates the goal area. Thus, the objective is to send the ball or puck between the goal posts, under or over the crossbar (depending on the sport), and across the goal line. Less commonly, as in basketball or netball, goals are ring-shaped. The structure is often accompanied with an auxiliary net, which stops or slows down the ball when a goal is scored. In some
Strategy of the central position Prussian forces. At the battle of Blenheim (1704), the Duke of Marlborough and his ally Prince Eugene of Savoy realising the French were weak in the centre initially concentrated their attacks on the wings. When Marshal Tallard, the French Commander, further weakened his central position to reinforce the fortified villages on the wings of his position, Marlborough launched a battle winning attack through the centre. Central position also describes the overall strategic situation of Frederick the Great during the War of the Austrian Succession and the Seven Years' War in the Eighteenth Century where, although Prussia was surrounded by enemies,