When we speak we sound very dull because of lack of intonation and rhythm in our speech.
Intonation is the combination of pitch,tone,volume and inflection in our voice.
Pitch-The shrillness of the voice is called pitch.
Tone-Refers to the attitude with which we speak.It reflects our inner thoughts.
Volume-is the increase and decrease in sound nInflection-The change in meaning of a sentence when we stress on different words.