It is possible to create, modify or delete the categories of the questions throw the "Categories Tree", on the left side of main window.
Clicking the right mouse button on a category node, a pop-up menu is shown, as shown in the figure below:
It is possible to carry out the following operations:
Category name and an optional description should be provided.
In order to assign a category to a question, there are two way:
1. press the push-button above the text box of a question which you need to assign a category. A dialog window (called "question property") is shown, as in figure below, then select the category name from the drop-down list.
2. From categories tree, drag and drop the question node toward a new category node:
With the toolbar, above the categories tree, you can execute the same operation that was found in the pop-up menu of category node :