One of the main characteristics of Adwords is that you only pay when someone clicks on your ad (Pay Per Click). When you create an account with Adwords, you can create your advertising campaigns, choose your ads and budget, decide where your want the ads to appear and Google will only charge you when someone clicks on the ads.
Adsense is the platform you can use as a webmaster or blog owner (we call these a ‘publisher’) so that Google ads are shown in your website. When someone clicks on an ad that is shown on your website you will get paid a portion of what the Adwords advertiser pays.
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