You are trying to select another locale on the website. If you shift your locale, you will need to reset your cart and start it from scratch.
Please review tab "Create new order" and all its features.
Tab "Create new order" contains the following information:
When you click button "Continue ordering", a window with recommended product of the day (1) will appear:
To add a product to the list, click the corresponding button under the required product. To return to select products again, click button "Return to select" (2) or continue ordering clicking the corresponding button (3).
Then switch to "Promotions" tab.