The bookstore is very big and there is a parking lot/space/place beside it. After all, we drive into the parking lot. A parking space is a space which is used for parking.
Dortmund Hbf
Space is countable in this usage, and parking is being used as an adjective. The driver will wait for us in/at the parking lot. Do a parking lot, space, and place refer to the same thing?
The term 'car park' is derived from the military expression 'artillery park', which was a field or open space where guns were ranged.
All i know is that in the us, the 99.9999% assumption would be that the driver is waiting in.