Are you asking what’s so important about English language? Many foreign students who want to know the language place emphasis on knowing the grammar and vocabulary to enable them to communicate in everyday situations. Business transactions between Japan and most other nations in the world are conducted in English, so there is a real and growing need for more Japanese to be better able to use English, both spoken and written in their work. English language is the first and foremost criteria whether you are applying for a job or admission in a reputed college, university or institution.