See Search Engine Advertising.

  A form of pay per clickthrough operated by Google as a way to create income without compromising their "unique ranking system of web pages for keyword relevance".  Keyword advertis [..]

Internet marketing platform used for SEM on the Google search and display networks

Google’s text-based flagship advertising product, which provides the lion’s share of the company revenue. Ads are displayed on Google’s own sites based on search terms that users type in, and advertis [..]

AdWords is Google's flagship advertising product and main source of revenue. AdWords offers pay-per-click (PPC) advertising, and site-targeted advertising for both text and banner ads. The AdWord [..]

Google Adwords is the name of Google’s pay per click advertising program. It is the biggest and most popular of all the PPC programs.

Google’s Pay Per Click (PPC) advertising program.

Google’s Pay Per Click (PPC) advertising program.

The advertiser side of AdSense is called AdWords. Advertisers pay for clicks on ads, (not sales or impressions/views). It is an unusually effective form of advertising because it cleverly places ads o [..]

Google’s flagship advertising product and main source of revenue, which offers PPC advertising, CPM advertising, and site-targeted advertising for text, banner, and rich-media ads (Source)

Online advertising platform

Google advertising tool for advertisers. Advertisers write text ads, bid for defined keywords and pay whenever their ad is clicked on. Google AdWords

Google's trademarked name of its Pay-Per-Click advertisement system.