CHECKOUT CART:

Upon a checkout request, the application will attempt to locate us in the database. To do that, it needs our name and email address:

Fill in the fields and 'Submit'. As explained earlier, name and email uniquely identifies a customer. Since we never shopped here before, the application cannot find us, and will request more info:

Fill in the fields and submit. If we were an existing customer the system would have found our record in the database upon submitting name and email, and then furnish us a different window where all our known info is filled-in: