Definitions

1. noun

A symbol or character that represents a concept or idea, especially in written or drawn form, such as a Chinese character or a hieroglyphic.

“The ancient Egyptians used a variety of ideograms to tell stories and convey messages.”

2. noun

A diagram or graph that uses symbols or images to represent abstract quantities or relationships, especially in mathematics or engineering.

“The engineer used an ideogram to visualize the flow of data through the system.”