Ad, namely, is to publicize, to make more people know the quality and function of commodity. It is to use real and persuasive propagation to deliver commodity information to create purchasing power.

广告，顾名思义就是广而告之，让人民从广告中了解商品的性能与功用，它通过具有真实性和说服力的宣传来传达商品信息、说服大众、创造购买力。