# Architecture principles whose scope is hierarchy

> 2 records

This index as JSON: https://banes-lab.com/json/api/facets/architecture/scope/hierarchy

## Entries

- [Statecharts](https://banes-lab.com/records/architecture/statecharts.md): A conceptual representation of a state machine extended with nested states and parallel regions.
- [Composite Pattern](https://banes-lab.com/records/architecture/composite-pattern.md): A design pattern that gives leaves and groups one interface, so a tree is traversed without checking which kind each node is.