Use discipline/subject-based encyclopedias and research handbooks to discover:
A Mind Map is created around a single word or idea, placed in the center (as your starting point), to which you add related or associated words, ideas and concepts in a radial, non-linear manner out from the central idea. In the context of doing research it can help you condense your thoughts, create a framework and develop keywords and phrases you can use in searching databases and search engines. It is important to narrow down the focus of your topic to find the topic you are really interested in. This will allow you to get better results when you do research by helping you narrow the results down to the most appropriate articles, books and websites. Use these mind mapping tools to help you with the process.
Here is an example of how it works: