The purchase journey on my app has multiple steps, what do each of these mean?

The purchase journey in your Ola App:
Step 1: Scooter Reserved: Reserve your scooter by paying Rs. 499 via the Ola app or the Ola Electric website. Choose your model and colour.
Step 2: Advance Amount: When your advance payment window opens, pay Rs. 20,000 to purchase the scooter. Choose your insurance plan. Do opt in for insurance incase you would like to avail of financing to pay the balance amount in installments
Step 3: Balance Amount: Pay the balance amount when your balance payment window opens. Double check your registration details, ensure the owner's name is as per Aadhaar and the delivery address is as per the address proof which will be submitted at the time of registration
Step 4: Upload Documents: Upload scanned images of your Aadhaar card along with your Aadhaar number, as proof of identity
Step 5: Getting Your Scooter Ready: Once your Aadhaar is verified, we will get your scooter ready and ship it off
Step 6: Scooter Registration: Our registration partner will get in touch with you to collect the required documents including the address proof for registering your Ola scooter
Step 7: Out for Delivery: Post registration, your scooter will be out for delivery, it will be delivered to your doorstep.
Step 8: Scooter Delivered: Hope you enjoy your revolutionary scooter!!!