What are organic results?
When a search engine returns its search results, it gives you two types: organic and paid. Organic search results are the Web page listings that most closely match the user's search query based on relevance. Also called "natural" search results, ranking high in the organic results is what SEO is all about.
Organic result in SEO denotes to the listing of the web pages that are most relevant to the search query entered by the user. It is also referred to as "free" or "natural" result. Getting a higher ranking in the organic result over the search engines is the very purpose of SEO.