Google AdWords is a pay-per-click online advertising platform that allows advertisers to display ads on Google search results pages and the Google Display Network. It connects consumers to relevant information and connects marketers to potential customers. Advertisers can set up campaigns, ad groups, keywords, and ads. They can target audiences based on language, location, device type, and more. Advertisers bid in an auction that determines ad placement based on bid amount and quality score. Google also offers tools to measure ad performance and track conversions.