# Explicit State Model

> The requirement that an object's states and their transitions be modeled explicitly.

Record: `lexicon:explicit-state-model`
Kind: constraint
Layer: [Design Patterns Core](https://banes-lab.com/records/layer/design-patterns-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-explicit-state-model

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Fail-Safe Defaults](https://banes-lab.com/records/lexicon/fail-safe-defaults.md) and before [Explicit State Set](https://banes-lab.com/records/lexicon/explicit-state-set.md).

## Category

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

## Required by

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

## Linked from

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