back links from other sites ex.. classifieds, article,fourm, blogs, etc....is called backlinks.. its help us increase keyword ranking
Backlinks are incoming links to a website or web page. Inbound links were originally important (prior to the emergence of search engines) as a primary means of web navigation; today their significance lies in search engine optimization.
backlink are incoming links to a web sites, it is helpful in SEO and it will help you to get more traffic to your sites and it will help to get high PR.
back link coming by search engine when your link located on another site or then google robots crawler crawl your link then visit your site after it generate a backlink.
A backlink is a link to your site posted on another website so people visiting that website can click on the backlink and be sent directly to your site.
A backlink (often referred to as an incoming link) occurs when another person puts a link to your site from theirs. Basically backlinks are all about getting traffic to your website which any webmaster will agree is a very important part of achieving success. Fact: search engine optimization is very important and you need to keep it in mind as you are creating your website.It works like this first, you build a website, incorporating the right structure and keywords so that your site is search engine optimized. If you use the right SEO (search engine optimization) strategies, when someone goes into a search engine to look for something that your business offers, you will come up on the first page of the search engine results.This is the best place for you to be. While structure and keywords are important to keep in mind as you create and add to your website, the most important factor of good SEO for the rest of your website's life is adding and maintaining backlinks.Because search engines use backlinks to rate how worthwhile or valuable your site is the more sites that you have linking to your site, the better you will look to the search engines. The end result is that you move up in rank. While the quantity of the backlinks contributes to your ranking, it is also important to make sure that you maintain high backlink quality as well.