How Keyword Tracker Work?

I am working on Business site. I want to check my Competitor. Some one guide me how people track the keywords and What is procedure of tracking.

 

Tris out: http://www.seobook.com/archives/000740.shtml

 

hello ..

Google Keyword Tracker Tool

gives you the following features:

One URL for Reporting
Unlimited Keyword reporting for the URL
Unlimited Reports for the URL
Reporting Archives
Report Comparison
Sleek and Easy Graphs
1,000 Queries per day (Googleâ„¢ API Terms)
Printable Reports
Schedule Report Runs
and more...