This is the full path to your blog directory. Usually is the 'blog' directory that is uploaded in your IP.Board folder. If you are unsure of what the full path is, please contact your webhost and they should be able to provide it for you. The format is usually similar to:<br /><br/> 
<i><b>/home/usracct/public_html/forums/blog</b></i><br /><br />Note: Your path <i>will</i> vary from this one. Your webhost will have the exact one to provide you.