paper
The Italian word 'carta' is used to refer to paper in a variety of contexts. It can be used to refer to a single sheet of paper, a stack of papers, or even a document. For example, 'Ho bisogno di una carta per scrivere una lettera' means 'I need a sheet of paper to write a letter.' Similarly, 'Le carte sono in disordine' means 'The papers are in disarray.' The word 'carta' can also be used to refer to a map, such as in 'Carta geografica' meaning 'Geographical map.'
Could you pass me the paper, please?
This is a formal request often used in situations where one person needs assistance from another in obtaining an object – in this case, paper ('carta').
I want to pay with my credit card.
This is a common phrase used in a purchasing context where the speaker is expressing their intention to make a payment using a credit card ('carta di credito').
My favorite dish is pasta alla carta.
'Pasta alla carta' is a term used to refer to a customizable pasta dish where the eater gets to choose the ingredients – much like letting them build their perfect dish 'on paper' or 'alla carta'. It does not commonly occur in Italian cuisine, however, it is included here because it uses 'carta' in a unique culinary context.