SEM can be viewed as a business interaction activity between three parties. For example, user search for a solution on a platform (Baidu), businesses reach out to users through the platform (Baidu) and the platform (Baidu) provides a marketplace for both users and businesses. Users, businesses, and platforms have their own demands to fulfill which seek to fulfill their demands in the SEM process.
Thus, another important aspect of SEM process is keywords. Logical keyword grouping and account structure will help businesses to achieve higher click-through rates, lower cost-per-click and higher performance. In another word, businesses should discover keywords that are relevant to the company and keywords that prospective buyers will likely use while searching for goods and services online.