What is it?
an envelope
What is this?
a filing cabinet
What are these?
coins
What is it?
a safe / a vault
What is this?
a credit card
What is it?
an ATM
What is this?
a debit card
What is this?
a signature
What is this?
a cheque
What are these?
bills
What's happening?
deposit
What's happening?
withdraw