So on offervault, I see some columns called "Lead" and "Sale" as show in this image here:

So on offervault, I see some columns called "Lead" and "Sale. Now what do both of them mean in this case on Offervault? And also where it says "Payout", does that mean they payout for EACH "Lead" or "Sale"?

Now what do both of them mean in this case on Offervault? And also where it says "Payout", does that mean they payout for EACH "Lead" or "Sale"?