What does it mean to validate parking?

Question

What does it mean to validate parking?

Answer 1

Getting a store or company to pay for the parking to prove you were there. It's usually a stamp or sticker that they give you. That way your parking was a freebie.

Answer 2

Merchants (Store Owner) will validate parking by stamping or punching their parking stub for their customers, who can use this to offset the cost of parking or transportation while shopping at their store.