Directory gives you a lot of opportunity of your online business. Submitting your web site to the Directory is most effective way to focus your online business, to get more traffic and get higher page ranking or P.R. You may mark it as advertising. In any business, the more your name out, the more your business gets visited, the more you sell. This same thing is true in the online world. The more your website seen, the more traffic you get to your website and the more sells you achieve. So for higher page ranking, for boost traffic and success in your online business you should submit your web site in world class web directory. World most popular web directories are DMOZ , Google Directory , LOGINBD ,Yahoo! Directory. When you submit your web site, you will get back link in your site. This back link is significant for higher page rank. And Directory submits your URL to various Search Engine and search engine easily find your web site. This is an opportunity for your high ranking position and you get more traffic.