What is the pay par click?

which one is the best to get huge traffic ppc or the organic seo?

We already have a number of threads discussing this issue. For example:

http://www.sitepoint.com/forums/showthread.php?1180210-PPC-for-new-website

Please read these - and other you’ll find if you search - and them, if you have any specific questions which have not been answered, please feel free to post again. Meanwhile, thread closed.