The goal of SEO, which is a longer-term strategy, is to increase your organic search and referral traffic by properly setting up your website and online presence. Although you don’t pay for this traffic, doing it correctly will cost you time and money.
Google AdWords is a technique to get targeted traffic to your website is using Google AdWords. It is easy to set up and generates visitors much more quickly than SEO (generally). Both are continuing expenditures, but you only have to pay for AdWords clicks when customers are eager to buy your products or services.