WORLD HISTORY

Detailed explanation-1: -They can overlap with illustrations and they can overlap with icons, but essentially, a pictogram is a drawing or an image that represents an idea in a simple or literal way.

Detailed explanation-2: -An ideogram or ideograph (from Greek idéa “idea” and gráphō “to write") is a graphic symbol that represents an idea or concept, independent of any particular language, and specific words or phrases.

Detailed explanation-3: -That writing system, invented by the Sumerians, emerged in Mesopotamia around 3500 BCE. At first, this writing was representational: a bull might be represented by a picture of a bull, and a pictograph of barley signified the word barley.