河港[kakou] river port
海港[kaikou] port
開港[kaikou] open port
寄港[kikou] stopping at a port
漁港[gyokou] fishing harbour

空港[kuukou] airport
軍港[gunkou] naval port
港口[koukou] harbor entrance
港町[minatomachi] port city

会社概要[kaishagaiyou] company overview
概要[gaiyou] outline
肝要[kanyou] essential
紀要[kiyou] bulletin
強要[kyouyou] coercion

緊要[kinyou] momentous
緊要地形[kinyouchikei] key terrain
公教要理[koukyouyouri] Catholic catechism
構成要素[kouseiyouso] components
綱要[kouyou] elements