We are going to explain what a directory is. Basically its a list of websites, all pointing to those sites with a brief description about the company. So what good does it do to rank high? They pass pagerank, alexa, compete and moz rankings to your site! Just doing a few of them isn't going to do you any good of course. But! when you submit to hundreds you gain an enormous advantage over your enemies J. Its hard to not want to rank above your competitors, so sometimes it takes a lot of work for it to finally pay off. It has for us, and can for you to.