Payment of an order is being proceeded from your bank account set up as default for payments.
You can select another connected bank account or add the new one.
If your final order includes orders from different stores you will pay to each store separately and successively.
Depending on your bank, after clicking Pay you will be:
After successful payment and clicking Continue you will be redirected to you shopping cart.
In case you have pending orders from other stores in your total order, you will be asked to pay them.
All unpaid and not finished orders will be saved in My orders page with unpaid status. You are able to finish orders later at your convenience.