Why Was the Ideogram Invented?

They invented writing because they needed a means of accounting for the receipt and distribution of resources.

What is the importance of ideogram?

An ideogram or ideograph (from Greek ἰδέα idéa "idea" and γράφω gráphō "to write") is a graphic symbol that represents an idea or concept, independent of any particular language, and specific words or phrases.

What is ideogram logic?

An ideogram is a graphic picture or symbol (such as @ or %) that represents a thing or an idea without expressing the sounds that form its name. Also called ideograph.