You are right to an extent.  But  the real purpose why it was made is for  Google to make money through advertisement on Google's various interfaces and their ads partners. That is why it is called "ADWORD TOOL" . Have you heard about Google Adsense? Which is also for ads aswell, which gives them a chance to place adword ads on your website/blog to make money for them and give you token. That is Google for you.   Cheers.

With google adwords you can add google ads to your programs. From that advertise you can earn money very easily. In short, Google AdWords is possibly one of the most impressive online marketing tools.

Google adwords is a paid program, for every single click one should have to pay to Google for the ads that are showing at the right side of the google.

Google Ad Words ads are displayed along with search results when somebody searches Google using of your keywords

With Google AdWords, you can make your business fast, simple and can run the ads. Google AdWords you like you to potential customers looking for products and services enables you to communicate with. With Google AdWords, you can create and run the ad for your business, can quickly and easily.

Quite an impressive information you have provided towards Google Adword. I personally think that the Google Adwords would be one best for earning online.

Google AdWords to provide accurate targeted advertising, and finally maximize your online status, except in vain and lost time for experimentation and trial and error method, as it is to save time, effort and too much money.

Google Adwords is a best tools for research keywords. It is a free tool. Google AdWords allows you to communicate with potential customers looking for products and services like yours.

Google Adwords is the system Google has developed to assist you in marketing your products or services in the Google Search Engine, and its affiliate sites, via the use of a placed text ad that appears when people search for phrases related to your offering, this appears as a “sponsored link”. The system is a “pay per click” system, this means you can dictate where your ad appears through bidding for a series of phrases, but you only pay the amount you have bid for if someone clicks on your ad as a result of a web search, i.e. pay per click!

Google AdWords enables you to communicate with potential customers looking for products and services like yours. You choose keywords related to your products and services and choose how to pay for each click on your ad.