environment where buyers and sellers come together
marketing
activity of promoting and selling products or services
importance of marketing in private sector

raise awareness + remind customers + persuade customers + of what the firm has to offer, allow firms to compete effectively with similar businesses, profit maximisation
importance of marketing in public sector
raise awareness of their actions and contact information, build a positive image to attract users + donors + employees, show service is well used to attract more government funding
importance of marketing in third sector

have a well recognised name in the public, attract donations