What is SEO and do I need it?

So we all know that
Google™
is the place to search for everything…but how do we get our own website to appear amongst the first search results?
Well to simply things there is 2 ways of doing so.
Paid Google ADs or SEO

SEO
SEO is an acronym that stands for search engine optimization, which is the process of optimizing your website to get organic, or un-paid, traffic from the search engine results page.
On-Page SEO
On-Page SEO
Off-Page SEO
Off-Page SEO
Google ADs