aboard: 在船(或飞机,车)上。如:I never went aboard a ship.
broad: 为形容词,宽广的。如:He has very broad shoulders.
abroad: 副词,在国外或海外。如:He often goes abroad.
board: 为动词,上(船,飞机,车)。如:The passengers are boarding the plane now.
institutional: 制度上的,公共机构的
instrumental: 起作用的,有助于
universal: 全体的,普及的,大众的
fundamental: 基础的,根本的,必要的