Understanding the keyword search in tool

Day 1: Learnt a simple concept mentioned below.

The cool thing about search engine marketing is not only is it so targeted, but it benefits search engines to share valuable keywords with prospective advertisers. This means you get to spy on the relative search volumes of different keywords, and how much your competitors are willing to pay for keywords.

Using the Google Traffic Estimator you can view how much Google's estimate the of keyword value at

For example, here is the estimated value for credit card and credit cards

Notice how there are 3 different listings for each keyword. They are based on Google's AdWords ad match types, and can be used to help you know the relative search volumes between different types of searches.

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1. [credit card] represents searchers who searched specifically for the keyword credit card with no other modifiers in it.
2. "credit card" represents all searchers in the above group, and searchers who searched for a keyword that contained credit card in it, including people who search for keywords like best credit card.
3. credit card represents all searchers in the above group, and searchers who searched for any keyword that contained the words credit and card somewhere in their search string, including people who search for obscure keywords like payment card without any credit.