SEM is the stands for Search engine Marketing and it is paid marketing we can get traffic from google through PPC ,

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) primarily through paid advertising.

great topic thanks for very informative post i will share it to others,

SEM is a type of Internet marketing associated with the researching, submitting and positioning of a website within search engines to achieve maximum visibility and increase your share of paid and/or organic traffic referrals from search engines.

its great topic thanks for sharing,

A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons

A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. The electrons interact with atoms in the sample, producing various signals that contain information about the sample's surface topography and composition

SEM is the process of increasing traffic and gaining visibility of website and blog from search engines through both paid and unpaid ways.

Good to know about Sem, will definetly try it

Search Engine Marketing is the art of driving more and better qualified traffic to your website from search engines