SEM

Search engine marketing is a set of marketing activities that work with Internet search engines. SEM also includes SEO, PPC and other advertising systems.

What is SEM

SEM is primarily a comprehensive strategy that combines both marketing performance such as PPC and longer-term activities, especially SEO.
In addition to increasing site traffic or sales, SEM also aims to build a brand or work with the community through a blog. Proper search engine marketing combines the activities described above.