( computing ) ( of a computer program ) being used at the present time and appearing in front of any other programs on the screen
—compare in the background
( computing ) ( of a computer program ) being used at the present time and appearing in front of any other programs on the screen
—compare in the background
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005