to explain to sb how sth works so that they can do it or understand it :
Can you talk me through the various investment options?
to explain to sb how sth works so that they can do it or understand it :
Can you talk me through the various investment options?
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005