Row on the Customers scheme

Each attribute of the Customers scheme is assigned a value from its domain:

Customer first name is assigned the value "Tom", from the domain of people's first names.
Customer last name is assigned the value "Jewett", from the domain of people's last names.
Customer phone is assigned the value "714-555-1212", from the domain valid telephone numbers.
Customer street is assigned the value "10200 Slater", from the domain of street addresses.
Customer zip code is assigned the value "92708", from the domain of zip codes designated by the United States Postal Service.

Each of the assignments results in a data cell of the row or tuple.