diction — Someone's diction is how clearly they speak or sing.
articulation — Articulation is the action of producing a sound or word clearly, in speech or music.
pronunciation — Rare. an act or instance of declaring publicly; pronouncement: It was but the latest pronunciation of the political double-standard uttered in the course of this scandal. Synonyms: declaration, assertion, statement; announcement, affirmation; proclamation, promulgation, dissemination.
delivery — Delivery or a delivery is the bringing of letters, parcels, or other goods to someone's house or to another place where they want them.
vocalization — to make vocal; utter; articulate; sing.
declamation — a rhetorical or emotional speech, made esp in order to protest or condemn; tirade
locution — a particular form of expression; a word, phrase, expression, or idiom, especially as used by a particular person, group, etc.
oratory — skill or eloquence in public speaking: The evangelist moved thousands to repentance with his oratory.
reading — an act or instance of reading: Give the agreement a careful read before you sign it.
rhetoric — (in writing or speech) the undue use of exaggeration or display; bombast.
speech — the faculty or power of speaking; oral communication; ability to express one's thoughts and emotions by speech sounds and gesture: Losing her speech made her feel isolated from humanity.
