These also are called category-oriented search engines.
They are commonly used for
Finding shareware and freeware
Computer Concepts BASICS -
A Specialty Search Web Site Computer Concepts BASICS - This figure shows the Beaucoup Web site page. Note the various categories of information available. Clicking a sub-category will bring up a new page of categories until you find the exact topic you are searching for.
Advanced Search Forms Computer Concepts BASICS - This figure shows the advanced search form for the AltaVista Web site. It is designed to assist you in performing advanced searches by providing text box options.