Label concepts hold subsamples of larger concepts. For example, the area code or exchange of a telephone number can be a subsample of a telephone number.
To add a label concept to a rule concept:
In the Gram Tab, select the rule concept where you want to add the label concept.
Right-click and select Add > Label.
Give the label concept a name in the dialog box.
Click OK to finish adding the label concept.
Note: Label concepts can only be added to rule concepts.