Inbound Links / Backlinks
Inbound/Backlink: This is the most important factor affecting SEO. You can increase your search engine ranking to soaring heights if you have good number of backlinks. Backlink in a simple term is a link from one website,web-page, directory, domain to another website, web-page or domain. Thus you can think that backlink is a vote given by other site to your site. More the number of votes to your site, higher will be your search engine ranking.