SEM

Search engine marketing (SEM)

Search engine marketing (SEM) is a form of Internet marketing that involves the promotion of websites by increasing their visibility in search engine results pages (SERPs) through optimization and advertising.

SEM is a type of Internet marketing associated with the researching, submitting and positioning of a website within search engines to achieve maximum visibility......

On the other Side You can say it "Originally called “search engine marketing,” the shorter phrase “search marketing” is now often used as the umbrella term over SEO and SEM."