# Subsystem Complexity

> The degree of internal complexity in a subsystem that motivates hiding it behind a facade.

Record: `lexicon:subsystem-complexity`
Kind: quality-attribute
Layer: [Design Patterns Core](https://banes-lab.com/records/layer/design-patterns-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-subsystem-complexity

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Stack Debugging](https://banes-lab.com/records/lexicon/stack-debugging.md) and before [Transparency / Debugging](https://banes-lab.com/records/lexicon/transparency-debugging.md).

## Category

- [Structural Patterns](https://banes-lab.com/records/lexicon-category/structural-patterns.md)

## Required by

- [Facade Pattern](https://banes-lab.com/records/architecture/facade-pattern.md)

## Linked from

- [Structural Patterns](https://banes-lab.com/ontology/principles/architecture-category-structural-patterns.md)