Yes

Words that affirm or agree with the truth of something, or that answer a yes/no question in the affirmative.

• What words are used to affirm the truth of something?
  yes yeah yea indeed true that's true it is true verily agreed certainly of course that's right I guess so that is so a-huh nod your head affirmative positive
• What words are used to refer to the action of affirming the truth of something?
  affirm affirmation confirm concur agree agreement

• No, not
• Markers expecting an affirmative answer
• Markers expecting a negative answer