SEO Paid Advertising
Paid adverstising is one way of getting up on the first pages of search results.
Advantage: works instantly. Disadvantage: works only as long as you pay. And can be costly.
PAY PER CLICK
Pay Per Click (PPC) is a paid way of placing your website to top search results. AdWords is Google’s main source of revenue. When a person performs a search using specific keywords, ads for relevant words are shown as "sponsored links" on the right side of the screen or above the main search results. You choose the sites your ad will be displayed on, and pay a fee every time someone clicks on your link.
GOOGLE AD SENSE AND AD WORDS
With Google AdSense you give other companies an opportunity advertise on your website. In return, you get to share their revenue each time someone visits their web page from your website. You have the power of deciding which websites can advertise on your web.
With Google AdWords you are the one advertising on other websites and pay for each time someone accesses your website from those sites. You get to choose which websites you want to advertise and what is your daily budget.