to be or make sure you do sth because it is important or necessary :
I made a point of closing all the windows before leaving the house.
to be or make sure you do sth because it is important or necessary :
I made a point of closing all the windows before leaving the house.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005