What is the meaning of SEM? How can it be useful?

SEM: SEM means Search Engine Marketing It is internet marketing, where we can promote our product/brand on social media. In this everyone will be working on paid marketing for the cause to get their website on the top page of the SERP (Search Engine Results Page). One thing is to get on the top of the page we have to write the good SEO, it means organically we have to…