Answer;
-Intonation;
In order to make sure that audiences can correctly identify your mood and attitude during speech, it is necessary to make sure you have correct intonation.
Explanation;
Intonation is the tune in language and involves the pitch and tone of the voice and modulation in a sentence.
It can be used to convey nature and the mood of a sentence.
Intonation may convey sarcasm, mood, humor, anger, excitement, etc.