Dialogue of the D is formed by Colon punctuation. The colon (:) is a punctuation mark consisting of two equally sized dots placed on the same vertical line. A colon often precedes an explanation, a list, or a quoted sentence. Inhere to represent speaking. When the colon combines with the D negative space it becomes a smiley face. Smiley face is to present empathy and a good conversation is always with a smile.