What is the principle of marketing relates to how customers view the product?

The advertisement should be touches the need of that particular product. Thanks..

Thanks for your invitation I agree with the teachers answers

Marketing principle is focused on the value creation for the product even before the company start to manufacture and produce it. The Product has to be evaluated and satisfied to the customer and meet some requirements and needs. Marketing principle depends upon the Market research to the limit the following :

1- Customer needs and measure their extent

2- Real Opportunities available in the market for a certain Product or Service

3- Determine the profitable opportunities whether they are existed or not

According to that the Marketing activities start with customers in the communication ad delivering value to them and managing customer relationships to build strong liaison and give value to the product by focusing on the three factor as: Product functionality, Product benefits & Product quality to create the Customer's interest and loyalty in early stage of the marketing for the product or service.

 product is evaluated by the degree to which it satisfies a need and provides value for a specific group of consumers. The product should satisfy a perceived need and offer the features and accessories that a consumer group demands, within the terms that a group demands.