History: Which of the following are common inputs to basic oscillators?

Which of the following are common inputs to basic oscillators?

• Amplitude, pitch, and space.
  We change physical characteristics, not perceptual characteristics.
• Frequency, color, and space.
  We change physical characteristics, not perceptual characteristics.
• Frequency, spectrum, and panning.
  Spectrum and panning are sometimes options, but not always.
• Amplitude, frequency, and phase.
  Great job.