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3.1.5 Two types of search tools, • People use search tools to search for…

- - - - • User knows what to
        search by using keywords.
  - - - • useful for finding information
        on a topic when you don’t have precise ideas of what you need.
- - - - • it uses the keywords to search for documents that relates to these key words and then put the results (hits) in order of relevance to the topic that was searched for.
- - - - • Directories are useful for finding information on a topic when you don’t have precise ideas of what you need.
        
        • When click on the category link, the subject directory displays a list of subcategory links.