Alphabetical order is the arrangement of words in a particular order based on the conventional order of the alphabet. This method of categorizing is used to organize books in a library, words in a dictionary, the list of surnames, items in an index, or items of any sort. All books contain lists of words arranged in the order of the alphabet.
There are twenty-six letters in the alphabet. Words are arrange alphabetically by the first letters of the words. When the first letters are the same, the words are then arranged according to the second letters. When the first two letters are the same, the words are then arranged according to the third.