Overview Index


Word is unbroken sequence of characters.

Each word is associated with surface concept by word dictionary.



“Boy”, “like”, “345”, “Max87”, “Boeing-747” are words.


“Boy likes Boeing-747”, “3 4 5”, “Max 87” are not words. (They are phrases).


Punctuation marks (“.”, “,”, “;”, “!”) are words.

Therefore “Mama!” is not a word. It is a phrase, which consists of two words: “Mama” and “!”.