1. An ordered
set of all the letters used in a
language, including letters with diacritical signs where appropriate, but not including punctuation marks.
2. An ordered set of all the symbols used in a language, including punctuation marks, numeric digits, nonprinting control characters, and other symbols.
Note: Examples of alphabets include the Roman alphabet, the Greek alphabet, the Morse
Code, and the 128 characters of the American
Standard Code for
Information Interchange (
ASCII) [IA No. 5]. (
188 )