History: What is the wet dry mix?

What is the wet dry mix?

• Dry is the copied signal, wet is the source signal.
  Reverb typically doesn't copy straight up.
• Dry is the effected signal, wet is the original signal.
  The opposite is true.
• Dry is the source signal, wet is the copied signal.
  Reverb typically doesn't copy straight up.
• Dry is the original signal, wet is the effected signal.
  Yes!