Welcome to the Help window of the most powerful Internet thesaurus browser available, the Webchoir Thesaurus Navigator (TN). This system displays terminology from thesauri built with the Webchoir TermChoir. For information about Webchoir products, go to the Webchoir home page for latest details.

Thesaurus Navigator is best viewed using Internet Explorer on both Microsoft Windows and Apple computers.

Help with using Thesaurus Navigator follows below. For help with MCH Thesaurus terms, please see Notes for the User found on the Introduction page.

Upon opening a TN thesaurus, a list of hierarchies is presented. A thesaurus built with TermChoir may contain an unlimited number of hierarchies, most have from one to ten hierarchies. Click on the hierarchy that you wish to examine.

The display screen is divided into four segments:

• Centered at the top of the screen is the hierarchy name.
• The left window contains the hierarchy term list.
• The right window displays help or individual term data.
• The bottom of the screen has five buttons:

1. return to the home screen
2. display the hierarchy term list in alphabetical sequence
3. display the hierarchy term list in hierarchical sequence
4. display the hierarchy term list in expanded hierarchical sequence
5. display help
   

The default hierarchy term list display is in Hierarchical sequence. Use the scroll bar on the right of the window to select a hierarchy portion. Click any term within the hierarchy term list window to display term data (scope and other notes, narrower terms, related terms, broader term(s), etc.) in the right window.

Select Expanded Hierarchical to display the top terms in the hierarchy. The plus sign "+" next to a term indicates that narrower terms are available. Click on the "+" to drill-down in the hierarchy. Click on the term of interest to display term data (scope and other notes, narrower terms, related terms, broader term(s), etc.) in the right window.

Select Alphabetical to instantly display terms in alphabetical sequence. The "A" to "Z" buttons display if there is a corresponding term beginning with that character in the term list. Click on the term of interest to display term data (scope and other notes, narrower terms, related terms, broader term(s), etc.) in the right window.