SEO means search engine optimization.
you increase the rank of your website in search results to get free traffic

PPC is pay per click marketing.
you pay websites/search engines to bring you traffic

hope tht helped.

SEO help your site get into the left side of the Google SERPs. (Search Engline Result Page)

PPC let you post your advertise on top left and right (mostly) side of the Google SERPs.

SEO traffic requires keyword rich content to be put on the internet
for the Spiders to index.

PPC is starting to resemble SEO traffic because if you want low keyword
bids, your content should be somewhat fresh, low bids will help a good ROI.

Hi,
Thank you all for sharing such knowledge, now which one should i apply for my website? which will give more benefits?