Both Mesopotamia cuneiform and Egyptian hieroglyphics share the core attribute that they had images to represent:
Words
Cuneiform or Sumer-Akkadian cuneiform is one of the earliest systems of writing, was invented by the Sumerians. It is distinguished by its wedge-shaped marks on clay tablets. The name cuneiform itself simply means "wedge shaped".
Egyptian hieroglyphs were the formal writing system used in Ancient Egypt. It combined logographic, syllabic and alphabetic elements, with a total of some 1,000 distinct characters.