It will identify the trends in the content and understand the need of keywords that are trending the market place. The content must be specific to the user base which tends to purchase the specific commodity you are providing.
It will understand content and identify different patterns in the past content for changes. The content must be unique and must not derive any patter regarding the competitors content it can contain keywords for better product ranking.
As it identifies the trends it also knows how to increase the quality score of any content. The content is specific to a product details and that product keyword which will provide it a better ranking.
Comparing content to standards
The content that you generate should be compared to a standard content and with the competitors content that will show you the basic differentiation points. This Content must fulfil the standard criteria to get a better view on the product.