Pick 10 or 12 out with good page ranks, post articles to them often, and you will see after a few months that your site starts ranking higher.
When you will submit Article to Article Directory there are option to put your website link in the author resource section you are allowed to put two links there by this you will get back link for your website.
When some one will read your article they will click on your link which you already put author resource section they will redirected to your website by this you will gain targeted traffic
People like to read the great articles.
Google recommends fresh and unique content for getting ranked and traffic.
If you are doing it for your website or blog it applies for both.
Some of free article web directories offer to submit your unique article to their directories with back links.
Mostly they have High PR and you will start getting traffic through the back links of the article you submitted.
In this way you can get your SEO ad traffic improved.
Quality content on Articles helps in generating Quality Back links for your website which helps in increasing site rank on search engines like Google.
Articles and blogging make a huge difference to SEO. Following googles Panda update content is king. The more relevant and better content gets ranked higher.
Just make sure that your metadata is good as google doesnt read your content they just use the metadata (keywords, title, descritpion) to index your site.
MAke sure you submit an xml sitemap to google as well
