# Interface Definition

> The requirement that an abstraction expose a defined interface separate from its implementation.

Record: `lex:interface-definition`
Kind: constraint
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-interface-definition

## category

- [Core Modular Design](https://banes-lab.com/records/lex-category/core-modular-design.md)

## referenced-by

- [Abstraction](https://banes-lab.com/records/arch/abstraction.md)