Answer :
A SEM is Reaching out to potential customers actively looking for your product or service.
search engine marketing (SEM)
If you've ever seen advertising at the top or bottom of search engines, you're already familiar with SEM. It is a sort of marketing in which a URL or ad is placed on the SERP to improve traffic and visibility for a website.
SEM frequently incorporates sponsored search, in which businesses pay to have their adverts appear at the very top of the results page. When your advertising appear in these optimum, highly visible areas, your company can get an advantage over the competition. Furthermore, because most searchers only click on the top few results, these premium ad spaces have a visual edge in capturing the attention of your potential clients.
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