‘a concession’ = a special consideration, such as fewer or lower taxes or no taxes or less than what others pay, etc. given to somebody or some organisation, e.g. a farmer is given free power supply or is charged less on power bills than non-farmers; the condom producing companies are not asked to pay taxes that the companies that produce entirely different things are asked to pay; the employees of a company given shorter working hours, etc., and also a small business, such as a canteen, souvenir shop, a small book store, etc. at railway or bus stations, large malls, theatres, cinemas, hospitals, fair grounds, etc.