Want this question answered?
yes.
The square key is ignition and the round key is the door key. It's the same scheme as GM used until recently.
Yes it is the same.
I have a 1997 Grand Cherokee, and my key fits both the door and the ignition.
Yes, originally the door and ignition keys are the same. but if you have to replace your ignition / steering column, you will have a different (re-keyed) key for the door and for the ignition.
Same key as ignition...
Yes.
Yes it is.
all cars start of with matching locks/ignition and key so the ignition or locks must have been changed
It did when it was built.
yes
It's supposed to be