SEM can be defined as Search engine Marketing. Search engine marketing has become more essential nowadays. People have more access to internet and web through various gadgets including mobile and tablets. So, we take advantage of this to promote your website. SEM is a practice of placing your website or webpage in first page in search engine's search page result for selected or predefined keywords by paid search result rather than organic search result. Because, it will take time to get good result in organic search result when we are new to world wide web.
This can be obtained by paid advertisements in famous search engines such as goole, yahoo, bing etc.. Which will put our website advertisement for selected or predefined keywords so that, Our website will be in first page of search engine result page. We also likely to promote your website in facebook using facebook advertisement campaign, Google ads and pay per click and many other ways. This can also be a targeted advertisement based on locality and also remarketing can be carried out using online search history .
Blasting emails to registered clients or sending out promotional mailers to attract new clients using bulk mailers. This can also be carried out for a specific set of people using mailers for targeted audience based on different age group, gender and locality etc.
Promoting special offers and coupons through google ads, social websites, mailers and make people to land on specially designed offer specific landing pages for each and every promotions.
It is a process of marketing certain product to users based on their search history in your website or generic search engines search history.