voice

• accent: a distinct way of pronouncing language, usually relates to their social class, or the area they're from
• Heightened RP [received pronounciation] - posher british accent
• volume: perceived loudness of the actor
• projection: directing the voice so it can be heard clearly at a distance
• articulation: if someone is articulate, it means all of their words are clear, distinct and coherent. can relate to social class
• emphasis: the stress put on 1 or more words in a sentence to but more significance on them
• intonation: how a person's pitch falls and rises [e.g. a higher pitch could signify a question or disbelief]
• pace: how quickly someone speaks
• pause: a gap someone leaves when they speak
• tempo: the speed of which a line is delivered
• rhythm: The controlled flow of words and phrases in speech as determined by the relation of long and short or stressed and unstressed syllables.
• tone: the way you say something, and the impression it makes on everyone in your audience who hears you.
• vocal quality: the overall defining characteristics of someone's voice
• aside: lines spoken by a performer to the audience but it's not meant to be heard by the other characters on stage
• inflection: change in pitch or loudness of voice
• timbre: the distinctive character or quality of a musical or vocal sound apart from its pitch or intensity e.g. a nasal voice
• vocal expression: how the perfomer uses their voice to convey their character