ideograph

This term is primarily used in linguistic and anthropological contexts to describe writing systems where symbols convey meaning directly. It is often contrasted with phonograms, which represent specific sounds or syllables. While frequently used to describe Chinese characters, it is a technical classification that applies to any symbol representing a concept independently of pronunciation.

In modern usage, the term extends to non-linguistic symbols, such as mathematical signs or certain emojis, which communicate a specific idea without requiring a spoken equivalent. It carries a formal, academic register and is rarely used in casual conversation unless discussing the mechanics of writing systems.