# Sufficiently Defined vs Primitive Concept

<mark style="color:$danger;">**This Editorial Guide is used for Education Purposes Only. It is used in the Authoring Courses and Certifications. It is based on the January 2026 Editorial Guide.**</mark>

## Sufficiently defined

A concept is sufficiently defined if its defining characteristics are adequate to define it relative to its immediate supertypes. A sufficiently defined concept is defined in the context of its hierarchy. See main glossary entry for sufficient definition.

## Primitive

A concept which is not sufficiently defined is *primitive.* A primitive concept is a formal logic definition that is inadequate to distinguish it from similar concepts. A primitive concept does not have enough defining relationships to computably distinguish it from more general concepts (supertypes).

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