Cosima remained quiet as the welcoming committee informed Aloy of everything (they thought) she needed to know. Of course, it wasn't everything she needed to know. Then Aloy turned to her, and she nodded slightly.
"The card is money. Currency. If you need to buy something, you hand the cashier your card, they swipe it and give it back, along with the items you purchased. There's a thousand dollars on the card, so you'll need to get a job eventually."
The phone was a little more complicated.
"The phone makes sure you're connected to other people. You can post things on a network, make phone calls, text. It just keeps you in touch with people in town."