The science which treats of the principles of language; the study of forms of speech, and their relations to one another; the art concerned with the right use and application of the rules of a language, in speaking or writing.

The art of speaking or writing with correctness or according to established usage; speech considered with regard to the rules of a grammar.

A treatise on the principles of language; a book containing the principles and rules for correctness in speaking or writing.

treatise on the elements or principles of any science; as, a grammar of geography.

a set of definitions of names of sets of strings

a set of expressions that define what DTMF tones and spoken input will be recognized by the system

The inputs that a recognizer can match (identify) from a caller.

The set of caller utterances allowed at any given time on the dialog.