A pictograph is a writing by picture. It conveys and records an idea or occurrence by graphic means without the use of words or letters. The execution of the pictures of which it is composed often exhibits the first crude efforts of graphic art, and their study in that relation is of value. When pictures are employed as writing the conception intended to be presented is generally analyzed, and only its most essential points are indicated, with the result that the characters when frequently repeated become conventional, and in their later forms cease to be recognizable as objective...