The Difference between Organic and Paid Search Engine Results
When you search on Google, Yahoo … you’ll get two type of result:
Organic results are most closely matching the user’s search query based on the relevance. Ranking high in organic results is all about SEO.
Paid results are advertisements on top of the pages or on the sidebars and totally separated from the listed organic results. You may find them with advertisement tag or shaded background and border lines.
The following Image shows the difference between paid and organic results.