Pay Per Click is a method of internet advertisement which is used to get desired traffic to the website. In other words we can say it is a method to improve sale by using internet advertisement. Here advertisement pay the website owner when add is clicked by user. Their is no other method to get good traffic than through Pay Per Click.
Search engines like Google,Yahoo etc offer paid listing in their search results which appear along with the natural, non-paid search results. These adds are sold publicly.
Per per click advertisement aim is to offer the searchers who are specially looking for what you have to offer.
For this you need to pick keywords with care. I meant pay attention on keyword research, bidding & compelling ad copy to get more click by users.
Pay Per Click is the game of choosing the right keywords because only best keywords can provide you good traffic & they should be relevant to your site.
Here you need smart management because poor PPC management can ruin your fortune. By using Google AdWords you can get targeted traffic within few minutes.