Every time a back link is created you are building up your sites momentum and fortune. A back link is a trustworthy way that a search engine can tell that your website provides quality content. After submitting your articles into a directory you have confirmed a deep link inside your website as you are letting the search engines know that there is more to your site than the first page.
In order to generate successful traffic you will need to have your content in order and ready for the world to see. Make sure you have the proper keyword density throughout your articles and that proper grammar has been used. If all has been followed through your directory will be another helpful guest in your group of helpers, as they will do much more than show off your work, they will help your deep links get established.
Once your back links are in place from a reliable source then you are on your way to great search engine optimization. However these are not the only ways back links can help users with their domain. Back links will enable other viewers to see that you are a reliable source and that your link is on another website that they view which creates the feeling that you are someone they know they can trust. If you have the wants from the users then you have successfully became popular, and popularity is what search engine optimization is all about.
If you had the option to put all your back links onto one website or to have multiple back links put onto multiple sites you would most likely go with the latter. The more trustworthy domains linking back to yours will make your site to be very trustworthy and instead of only having one trustworthy website linking back to your domain you will have multiple. The reason search engines take priority in this is simply because the more your name is out there, then the more popular you are, and popularity is the only way to be good in search engines. Go out there and create back links and you are surely to succeed.