Cuneiform: Sumerian writing made by pressing a wedge-shaped tool into clay tablets.
Egyptian Hieroglyphics: Pictures represent words or sounds. Over 600 signs. First written on stone or hard materials but soon graduated to papyrus.
Ideographs: Signifier (Idea Sign) and a Phonetic Sound Sign
Mastery of the traditional Chinese written language demanded much study and practice. Thus most ancient Chinese people, whose working lifestyles left little time for study, were prevented from learning to write or to read.