SEO (Search engine optimization) and SEM (Search Engine Marketing) are the two core areas within the search engine marketing industry. Both terms are regarded as similar activities but have different properties in managing various marketing aspects. And the concept of both sources of marketing confuses those people who are not familiar with this world of marketing. Being a responsible entrepreneur, you must keep a solid grasp on these two terms and should not take them lightly to understand their importance for your business growth. So, how to know their exact meaning, and where are the extents that they both relate to each other. Well, this post will answer all your questions precisely. By the end of this read, you will get complete clarity about where Search engine optimization and Search Engine Marketing in San Antonio or anywhere else differentiate despite relating to the similar field of digital marketing. So, let’s explore below: SEO vs. SEM - What’s The Difference? When it co