As you learn more about increasing your company’s visibility in search, you may come across another term for the process: SEM. And while some marketers use this interchangeably with SEO, it’s important to understand the distinction between the two.
SEM stands for “search engine marketing,” and it refers to anything you do to earn placement in search engine results pages. This means that it’s an umbrella term that includes both SEO and PPC.
Keeping this difference in mind while you learn more about search visibility will make it much easier to spot resources that focus on paid tactics — and determine whether those are resources that you want to spend your time reading.