You have outgoing backlinks (links that you put on your webstie and are going to another url) and incoming backlinks (links that are on other people sites and link to yours).
Backlink is when you have a link from another website to yours using for example <a href="yourdomain.com">mykeyword</a> akabou
Back links are links from other websites to your website, or you putting the link of other websites on yours. Back links are also important in SEO Marketing.
All the links pointing at a particular web page. Inbound linksare an important part of web site marketing as they can deliver targeted visitors directly from another web site, and can help to improve the ranking position of your site on engines that use link popularity as a part of their algorithm. (also known as inbound link.)
oh well...Backlinks have become so important to the scope of Search Engine Optimization, that they have become some of the main building blocks to good SEO...Have you heard Senuke?that's really good software tool that gives backlink...
Backlinks, which are sometimes called inbound links, are incoming links to a web page or the entire website.Links from other pages that refer back to your page. The quantity of backlinks can be taken into account as an off-page factor in ranking a website's natural search results for a particular search term.
Check my newly post for Backinks and how you check yours too. http://www.moneymakesuccess.com/checking-backlinks/
Backlinks are the single most important part of ranking in the search engines. But its not that simple - you also need to understand Page Rank and No Follow. Suggest you search the forum as there's loads of information on these subjects here.
A back link to a website is a vote for that site and it is considered valuable by Google. The more voting links you get, more stronger your site should be.