emphasis

definition: intensity or forcefulness of expression
example:
speech part: noun
synonyms: vehemence
definition: the relative prominence of a syllable or musical note, especially with regard to stress or pitch
example: When you're playing a march, put the emphasis on the first and third beats in each measure.
speech part: noun
synonyms: accent stress
definition: special and significant stress by means of position or repetition e.g.
example:
speech part: noun
synonyms:
definition: special importance or significance
example: the red light gave the central figure increased emphasis
speech part: noun
synonyms: accent

emphasis is explained and pronounced

How emphasis is being used?