Search Engine Marketing focuses on sponsored links and  paid advertisements
Search Engine Marketing takes the help of search engines to promote your brand and services to online customers and attracts a specific audience to your website. Research, submitting and positioning a website on the list of search engines falls under Search Engine  Marketing. It involves best practices such as the use of keywords and keyword analysis, SEO, PPC advertising campaigns and the use of ads and content for local listing and geo-targeted ads. The ads are targeted for a specific audience and have a higher conversion rate. It also offers you the opportunity to pay based on the clicks (you will have to make payment for each click from your advertisement to your landing page).