An example of a digit is the number 5.
An example of a digit is a pinky finger.
The digits of the decimal number system are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, and those in the hexadecimal number system are those in the decimal system along with A, B, C, D, E and F.
The number 2307 has four digits: the thousands digit is 2; the hundreds digit is 3; the tens digit is 0; and the units digit is 7.
That girl likes me — she gave me her digits.
She gave me her digits, and I put them in my cell phone.