Keywords are the terms that you enter into the search field of an online library catalog, database, electronic index, or search engine. They are the main concept(s) of a research topic.
For instance if you were interested in researching the impact of computers on writing instruction, you might use the keywords writing, teaching, computers, technology, instruction, and learning.
As you start to search for information, you will notice that the catalog and databases share similar characteristics. Many times you can use similar search techniques for all of them. Below are some of the most commonly used search techniques and tools.