A backlink is the incoming links that are coming towards your website. You can build as many backlinks as you can, it increase your traffic, visitors,, and improve your search engine results. These backlinks should be produced by writing press releases, blog posting and forum posting, and social book

Backlink is a any link received by a web page, directory, website, or top level domain from another web node.

A link that you get from any other website or from any webpage.
That is called backlink.

As of me Backlinks or inbound links, are incoming links to a web page or the entire website. These inbound links are important to search engine rankings because many different search engines have algorithms that measure the number of backlinks a website or web page has, and ranks those web pages with more backlinks in a higher position.

Backlinks are the incoming links to a website. They are also known as inbound links or inward links. Backlinks are really very important factor for getting higher rank in the search engine. The number of backlinks is one indication of the popularity or importance of that website.

Hi,
Backlinks are those one way incoming links to a website which starts from a site and ends/land to the page of your website. These are so important because Search Engines consider such links as referring links i.e. the website referring your site through that link.
Backlinks helps search engines to determine the popularity and importance of a website or web-page among the others.

Backlink is a link which is received by a website from another website. It means another website pointing back to your website. It is also identified as inbound links, incoming links, and inward links.

Backlinks is most important factor used by search engine for determining website's search engine ranking, popularity and importance.