Non-executive director duties

I've been offered a position as a non-executive director of a large property-development company, but I am not sure of the differences between my obligations as a non-executive director and those of the company's executive directors. Can you advise? QUESTION:

Executive directors are charged with the day-to-day running of the business, while non-executive directors effectively look over their colleagues' shoulders to ensure they are doing a good job. ANSWER:

All directors are expected ...