Nuclear tones Speed of utterance Rhythm Intonation with lexical and grammatical meanings Pauses Loudness Group’s length The nuclear tone in final intonation groups is generally the Low Fall or,less frequently, the High Fall. The principal nuclear tones in non-final intonation groups are the Low Fall, the High Fall and the FallRise. Slow There are no variations in rhythm. Familiar (Conversational) Style Long pauses are more common Varied according to the size of the audience and to the emotional setting