* Basic: The last digit of my phone number is 7.
* Mathematical: The sum of the digits in the number 123 is 6.
* Figurative: The artist used only three digits to create a stunning image.
* Computer: The computer stores data in binary digits, or bits.
* Historical: The ancient Romans used Roman numerals, which consisted of letters instead of digits.
Let me know if you'd like to see more examples!