The browsing and selection is done in the Left Panel. When the Left Panel loads for the first time, the top-level concepts are displayed which can be expanded to see the narrower concepts.

To select a top-level concept, follow the below steps.

1. Locate the Concept you wish to select. (If you cannot locate the Concept easily, you can also search for it. Searching ‘Concepts’ is explained later.)
2. Click on Concept name in order to select it.

3. Once a Concept is selected, its name will be displayed in ‘red’ text color. Selecting a Concept opens the Concept’s details in the Right Panel.

The concepts that are not top-level concepts will not be visible by default since only the top-level concepts are displayed at first. However, the corresponding top-level Concept will be. To select a non-top-level concept, follow the below steps.

1. To navigate to any such lower level concept, locate the corresponding top-level concept
2. You would see a ‘+’ to the left of the corresponding top-level Concept name.


The presence of a ‘+’ indicates that the Concept has some narrower concepts; the absence indicates that the concepts has no narrower concepts.

3. Click on the ‘+’ to the left of the Concept name. This will expand the concept, that is, show its immediate narrower concepts. The icon changes to ‘–‘ (minus) on expansion. Click ‘-‘ to collapse it back.

4. Locate the Concept you wish to select.
5. Click on Concept name in order to select it.
   

6. Once a Concept is selected, its name will be displayed in ‘red’ text color.