This page displays Contact Details (is a personal and detailed information than the one in the passenger details and these are address, telephone number, e-mail address, house number, street name, postal code, including the ones in the passenger details)
Billing Address: is the address associated with your credit card, it is used to verify your credit card information (it mostly appear on the receipt after payment)
Voucher: is a small printed piece of paper that entitles the holder to discount (so if a client has voucher number then he/she is entitled to fill that portion) by referencing the voucher and writing voucher pin.
Payment: is the transfer of an item of value from one party to another in exchange for something (the means of payment can either be by credit card or will pay later option) so client choose from the button. The client then click on purchase to move to the last stage.
A displayed picture of the page